All 84 cartridges, disks and laserdiscs hidden in the ruins. 35 of them do something when equipped (F3) or run (F4), or unlock something in an MSX2 combination; the rest are collectibles.

Cartridge slots
No.TitleWhereUse
01
Game Master10倍カートリッジSpecial cartridge
Surface F-4
Purchase in the Shop for 010 Coins.
Equip in MSX Slot 1 (F3) and speak to the Elder in his tent at 地上 (Surface) G-4 to be given the option to save to Slot 0.
02
Game Master 2新10倍カートリッジSpecial cartridge
Guidance Gate A-3
Enter the field from 迷いの門 (Confusion Gate) C-2. Step on the switch and then place a Weight on the pedestal at the bottom of the screen.
Equip in MSX Slot 1 (F3) and speak to the Elder in his tent at 地上 (Surface) G-4 to be given the option to save to Slots 1 through 4.
03
Glyph Reader古文書リーダーSpecial cartridge
Surface F-4
Purchase in the Shop for 100 Coins.
When viewing monuments with the ハンディスキャナ (Handy Scanner), the text is automatically translated into Japanese/English.
04
Ruins RAM 8KいせきRAM8KSpecial cartridge
Surface F-4
Purchase in the Shop for 030 Coins.
[F4] Once a 地図 (Map) has been collected, a simple map (8k System) of the corresponding field may be viewed.
MSX2: 04. いせきRAM8K (Ruins RAM 8K) + 05. いせきRAM16K (Ruins RAM 16K): [F4] Displays the most advanced field map (24k System).
05
Ruins RAM 16KいせきRAM16KSpecial cartridge
Tower of Ruin E-4
When entering the field from 迷いの門 (Confusion Gate), this cartridge may be found resting atop the rightmost crate.
[F4] Once a 地図 (Map) has been collected, an improved map (16k System) of the corresponding field may be viewed.
MSX2: 04. いせきRAM8K (Ruins RAM 8K) + 05. いせきRAM16K (Ruins RAM 16K): [F4] Displays the most advanced field map (24k System).
06
Unreleased ROMかいはつちゅうしROMSpecial cartridge
Tower of the Goddess C-1
Summon a Key Fairy from D-1 and escort it to C-1 in order to make a pedestal appear. Place a Weight upon it to open an entrance to a special area. Once there, move one screen to the right and examine at the base of the tree.
MSX2: 06. かいはつちゅうしROM (Unreleased ROM) + 08. GR3: [F4] Surprise!
07
PR3PR3Special cartridge
Surface K-2
While climbing the ladder, strike the left wall midway up to reveal a tent. Double-jump left from the platform at L-2 to reach the tent and speak with its occupant.
MSX2: 07. PR3 + 08. GR3: [F4] Surprise!
08
GR3GR3Special cartridge
Chamber of Birth H-4
Examine behind the grey wall at the lower-left corner of the screen.
Collectible
09
Athletic LandわんぱくアスレチックMSX1 cartridge
Guidance Gate D-1
Examine the crumpled skeleton at the bottom of the screen.
MSX2: 09. わんぱくアスレチック (Athletic Land) + 26. キャベッジパッチキッズ (Cabbage Patch Kids): The duration of player invincibility after being hit is greatly increased.
10
Antarctic AdventureけっきょくナンキョクだいぼうけんMSX1 cartridge
Inferno Cavern D-3
This cartridge is simply resting on the floor at the top-right of the screen, just right of the ladder leading up to D-2.
MSX2: 10. けっきょくナンキョクだいぼうけん (Antarctic Adventure) + 22. ぽんぽこパン (Comic Bakery): Makes it possible to use the 聖杯 (Grail) to warp to rear-side fields.
11
Monkey Academyもんタくんのいち・に・さんすうMSX1 cartridge
Confusion Gate C-4
An eye in the background near the top of the screen does not move; examine it from the elevator platform.
Collectible
12
Time PilotタイムパイロットMSX1 cartridge
Chamber of Extinction B-3
Examine atop the slightly elevated blocks at the bottom of the screen.
Collectible
13
FroggerフロッガーMSX1 cartridge
Mausoleum of the Giants H-4
Using its arm as a platform, examine the hole in the chest of the giant statue.
Collectible
14
Super CobraスーパーコブラMSX1 cartridge
Temple of the Sun C-1
In the small area at the bottom-right, examine the head (in the background) that is hidden behind the movable statue.
Collectible
15
Video HustlerビデオハスラーMSX1 cartridge
Endless Corridor B-1
Examine the skeleton that lies near to the top of the screen.
MSX2: 15. ビデオハスラー (Video Hustler) + 59. ブレイクショット (Break Shot): Greatly increases the strength of the ナイフ (Knife).
16
Mahjong DojoコナミのまぁじゃんどうじょうMSX1 cartridge
Guidance Gate C-5
Examine the skeleton that lies just right of the center of the pit.
Collectible
17
Hyper Olympic 1ハイパーオリンピック1MSX1 cartridge
Chamber of Extinction F-4
Break the rock near the top-left corner of the screen to reveal a hidden room. Examine in front of the entrance.
Collectible
18
Hyper Olympic 2ハイパーオリンピック2MSX1 cartridge
Mausoleum of the Giants A-2
Examine the skeleton propped against the right wall.
Collectible
19
Hyper Olympic 3ハイパーオリンピック3MSX1 cartridge
Inferno Cavern G-2
Examine the skeleton that lies on the ledge that juts out over the lava, at the top-left of the screen.
Collectible
20
Circus CharlieサーカスチャーリーMSX1 cartridge
Twin Labyrinths B-4
Examine the large crack in the background, near to the leftmost ladder.
Collectible
21
Magical TreeマジカルツリーMSX1 cartridge
Mausoleum of the Giants E-6
Examine the damaged monument at the bottom of the screen.
Collectible
22
Comic BakeryぽんぽこパンMSX1 cartridge
Twin Labyrinths B-1
Examine directly below the pedestal.
MSX2: 10. けっきょくナンキョクだいぼうけん (Antarctic Adventure) + 22. ぽんぽこパン (Comic Bakery): Makes it possible to use the 聖杯 (Grail) to travel to rear-side fields.
23
Hyper Sports 1ハイパースポーツ1MSX1 cartridge
Spring of the Sky E-2
Examine the monument at the top-right corner of the screen.
Collectible
24
Hyper Sports 2ハイパースポーツ2MSX1 cartridge
Twin Labyrinths H-4
This cartridge rests directly in front of the Twins Gate.
Collectible
25
Hyper Sports 3ハイパースポーツ3MSX1 cartridge
Tower of Ruin D-5
Examine within the lower-left corner of the lava pool.
Collectible
26
Cabbage Patch KidsキャベッジパッチキッズMSX1 cartridge
Spring of the Sky C-8
Defeat the angler fish enemy on the right-side of the screen and examine the area in which it was swimming.
MSX2: 09. わんぱくアスレチック (Athletic Land) + 26. キャベッジパッチキッズ (Cabbage Patch Kids): The duration of player invincibility after being hit is greatly increased.
27
Hyper RallyハイパーラリーMSX1 cartridge
Guidance Gate G-2
Climb the ladder at the top of C-3 in order to reach and examine the damaged monument at the bottom of G-2.
MSX2: 27. ハイパーラリー (Hyper Rally) + 37. ロードファイター (Road Fighter): Allows you to communicate with the hidden MSXs.
28
Konami TennisコナミのテニスMSX1 cartridge
Guidance Gate F-2
Examine the skeleton leaning against the bottom-left wall.
Collectible
29
Sky JaguarスカイジャガーMSX1 cartridge
Graveyard of the Giants D-5
Destroy the pot on the right-side of the screen and examine the area in which it stood.
Collectible
30
Konami PinballコナミのピンボールMSX1 cartridge
Surface J-1
Equip the 03. 古文書リーダー (Glyph Reader) ROM and examine the sign twice.
Collectible
31
Konami GolfコナミのゴルフMSX1 cartridge
Endless Corridor D-2
Examine the unmarked gateway at the top-right corner of the screen.
Collectible
32
Konami BaseballコナミのベースボールMSX1 cartridge
Shrine of the Mother D-1
Examine within the area at the bottom-left corner of the screen where the spikes are shorter.
Collectible
33
Yie Ar Kung FuイーアルカンフーMSX1 cartridge
Temple of the Sun C-3
Examine the skeleton on the right-side of the screen.
MSX2: 33. イーアルカンフー (Yie Ar Kung Fu) + 42. イーガーコウテイのぎゃくしゅう (Yie Ar Kung Fu 2): Turns Weights into Oolong Tea.
34
King's ValleyオウケのたにMSX1 cartridge
Temple of the Sun E-4
Destroy the left-side of the mass that extends from the ceiling with 爆弾 (Bombs) and examine within the resulting cavity.
Collectible
35
Mopi RangerモピレンジャーMSX1 cartridge
Graveyard of the Giants G-4
Examine the leftmost skeleton.
Collectible
36
PippolsピポルスMSX1 cartridge
Tower of the Goddess A-4
Use the 時のランプ (Lamp of Time) to freeze the falling block in midair and climb up to examine the ground below it before it lands.
Collectible
37
Road FighterロードファイターMSX1 cartridge
Confusion Gate D-2
Examine the hole at the bottom-left that the slime enemies spawn from.
MSX2: 27. ハイパーラリー (Hyper Rally) + 37. ロードファイター (Road Fighter): Allows you to communicate with the hidden MSXs.
38
Konami Ping-PongコナミのピンポンMSX1 cartridge
Twin Labyrinths G-5
Examine the deteriorating monument near the top of the screen.
Collectible
39
Konami SoccerコナミのサッカーMSX1 cartridge
Chamber of Birth E-2
Examine the eye at the center of the pyramid design in the background.
Collectible
40
GooniesグーニーズMSX1 cartridge
Inferno Cavern C-1
Examine the area on the floor where there are no spikes.
Collectible
41
Konami BoxingコナミのボクシングMSX1 cartridge
Endless Corridor D-3
Examine the damaged monument at the bottom-left.
Collectible
42
Yie Ar Kung Fu 2イーガーコウテイのぎゃくしゅうMSX1 cartridge
Endless Corridor B-4
Destroy the lower-left pot and examine the area in which it was standing.
MSX2: 33. イーアルカンフー (Yie Ar Kung Fu) + 42. イーガーコウテイのぎゃくしゅう (Yie Ar Kung Fu 2): Turns Weights into Oolong Tea.
43
Knightmare#じょうでんせつ *MSX1 cartridge
Tower of Ruin C-3
Attack the block hanging from the ceiling near the center of the screen with the 刀 (Katana) to reveal a hidden Shop. Purchase in the Shop for 200 Coins
Collectible
44
TwinbeeツインビーMSX1 cartridge
Temple of Moonlight D-5
Examine the crumbling monument at the top-left corner twice.
MSX2: 44. ツインビー (Twinbee) + 55. グラディウス2 (Gradius 2): Turns Coins into Bells.
45
Shin Synthesizer新世サイザーSpecial cartridge
Tower of Ruin D-3
Fire 槍 (Spears) downward while standing above and to the right of the door. Fall through the hole that appears and examine immediately behind the door.
[F4] Music Mode
46
GradiusグラディウスMSX1 cartridge
Tower of the Goddess D-5
Enter and exit D-5 from each possible route on the left-side of the screen.
Collectible
47
Penguin AdventureユメたいりくアドベンチャーMSX1 cartridge
Twin Labyrinths C-5
At the ceiling corner near the center of the screen, destroy the blocks first with 発弾筒 (Flares) to reveal a small passage, then use 爆弾 (Bombs) to further widen the alcove. Examine within to locate the cartridge.
MSX2: 47. ユメたいりくアドベンチャー (Penguin Adventure) + 55. グラディウス2 (Gradius 2): Turns Coins into Fish.
48
CastlevaniaアクマじょうドラキュラMSX2 cartridge
Spring of the Sky D-4
Summon the Fairy at D-5. While the Fairy is present, stand in front of the Shop at D-4 until a second Shop appears on the left-side of the screen. Leap over and purchase it in the new Shop for 130 Coins.
MSX2: 48. アクマじょうドラキュラ (Castlevania) + 67. ハイの#じゅつし (Mahjong Wizard): ムチ (Whip) attack power slightly increases.
49
King Kong 2キングコング2ーよみがえるでんせつーMSX2 cartridge
Chamber of Birth A-3
Examine the opening on the left-side of the screen from which enemies spawn.
MSX2: 49. キングコング2ーよみがえるでんせつー (King Kong 2) + 51. ヒのとり (Firebird): Recovery time of the Fairy and the 時のランプ (Lamp of Time) is shortened.
50
Q-BertQバートMSX1 cartridge
Confusion Gate E-5
Near the center of the screen, there is an orange eye in the background that does not move; examine it.
MSX2: 50. Qバート (Q-Bert) + 73. コナミの占いセンセーション (Diviner Sensation): Touch one of the hidden sparkling points in order to summon a Fairy with a Key.
51
FirebirdヒのとりMSX2 cartridge
Inferno Cavern E-1
Examine the skeleton at the center of the screen.
MSX2: 49. キングコング2ーよみがえるでんせつー (King Kong 2) + 51. ヒのとり (Firebird): Recovery time of the Fairy and the 時のランプ (Lamp of Time) is shortened.
52
Ganbare GoemonがんばれゴエモンからくりどうちゅうMSX2 cartridge
Twin Labyrinths I-1
Jump onto Triton's belt and examine his stomach-area.
Collectible
53
Maze of GaliousガリウスのめいきゅうMSX1 cartridge
Chamber of Extinction G-5
Summon a Key Fairy from I-5 and escort it to the lower path of G-5. Move as far left as possible and jump in order to reveal a special passageway near the top of the screen. Enter it and complete the Maze of Galious tribute.
Collectible
54
Metal GearメタルギアMSX2 cartridge
Surface I-3
Double-jump over the tall statue at the bottom of the screen and examine the ground immediately behind it.
MSX2: 54. メタルギア (Metal Gear) + 69. メタルギア2 ソリッドスネーク (Metal Gear 2): When a puzzle is solved, an exclamation point appears over the protagonist!
55
Gradius 2グラディウス2MSX1 cartridge
Dimensional Corridor E-7
Examine in the very center of the pool of water at the base of the room.
Collectible
56
F1 SpiritF1スピリットMSX1 cartridge
Confusion Gate A-3
Purchase in the Shop on the right-side of the screen for 180 Coins.
Collectible
57
UsasウシャスMSX2 cartridge
Twin Labyrinths H-3
Near the center of the screen, jump upwards to enter a hidden passageway within the ceiling. Examine at the far end of the passage.
Collectible
58
ShalomシャロムMSX1 cartridge
Spring of the Sky B-8
Break the bottom-left wall of the top-right waterway using 爆弾 (Bombs) and examine within the alcove created.
MSX2: 58. シャロム (Shalom) + 73. コナミの占いセンセーション (Diviner Sensation): ??
59
Break ShotブレイクショットMSX2 cartridge
Shrine of the Mother E-4
Examine behind the statue at the top of the screen.
MSX2: 15. ビデオハスラー (Video Hustler) + 59. ブレイクショット (Break Shot): Greatly increases the strength of the ナイフ (Knife).
60
Pennant RaceげきとつペナントレースMSX2 cartridge
Twin Labyrinths J-3
Examine the crumbling monument.
Collectible
61
SalamanderサラマンダMSX1 cartridge
Confusion Gate D-5
Attack the thick block that rests on the center path and near to the left-side of the screen. Once it is destroyed, examine within the revealed alcove.
MSX2: 55. グラディウス2 (Gradius 2) + 61. サラマンダ (Salamander): Complete the game with these cartridges equipped to slightly alter the credits sequence.
62
ParodiusパロディウスMSX1 cartridge
Temple of Moonlight D-4
There are actually two ladders hidden behind the lunar relief. After being transported to D-4, travel up the first until you reach an unseen platform behind the face. Walk left and examine in order to locate the cartridge.
Collectible
63
Seal of El Gizaエルギーザのフウ印MSX2 cartridge
Mausoleum of the Giants F-3
Purchase from the Shop hidden behind the lower pot for 100 Coins.
MSX2: 53. ガリウスのめいきゅう (Maze of Galious) + 63. エルギーザのフウ印 (Seal of El Giza): Adds +1 to all collected Coin amounts.
64
ContraコントラMSX2 cartridge
Graveyard of the Giants D-2
This cartridge is simply resting near the center of the screen.
Collectible
65
Heaven and Earth天と地とMSX2 cartridge
Chamber of Birth E-6
Pass in front of the second window from the bottom twice to make a segment of the left pillar disappear. Examine the area in which the segment stood.
Collectible
66
Nemesis 3ゴーファーのやぼうエピソードIIMSX1 cartridge
Surface K-1
Use the 拳銃 (Pistol) to destroy the left wall within the water.
Collectible
67
Mahjong Wizardハイの#じゅつし *MSX2 cartridge
Inferno Cavern E-4
Purchase in the Shop hidden behind the rock at the upper-left corner of the screen for 050 Coins.
MSX2: 48. アクマじょうドラキュラ (Castlevania) + 67. ハイの#じゅつし (Mahjong Wizard): ムチ (Whip) attack power slightly increases.
68
Pennant Race 2げきとつペナントレース2MSX2 cartridge
Temple of Moonlight B-2
Fall from B-1 and examine the dark area in the background at the left-side of the highest ledge.
Collectible
69
Metal Gear 2メタルギア2 ソリッドスネークMSX2 cartridge
Chamber of Extinction H-5
Break the right wall of the green pool and examine the skeleton within the opening.
MSX2: 54. メタルギア (Metal Gear) + 69. メタルギア2 ソリッドスネーク (Metal Gear 2): When a puzzle is solved, an exclamation point appears over the protagonist!
70
Space ManbowスペースマンボウMSX2 cartridge
Graveyard of the Giants F-4
Use 爆弾 (Bombs) to create an opening at the center of the screen, just right of the crumpled skeleton. Leap into the alcove and examine said skeleton.
Collectible
71
QuarthクォースMSX2 cartridge
Spring of the Sky B-10
Once the water has been drained, examine the second skeleton from the right.
Collectible
72
King's Valley DiskオウケのたにDISKばんMSX2 diskette
Dimensional Corridor B-6
The top-left platform crosses behind the left waterfall; examine behind the waterfall.
Collectible
73
Diviner SensationコナミのうらないセンセーションSpecial cartridge
Temple of the Sun E-5
Purchase from the Shop hidden behind the lower pot for 080 Coins.
Touch one of the hidden sparkling points to summon a Fairy that will restore your VIT.
74
SnatcherスナッチャーMSX2 diskette
True Shrine of the Mother D-4
Examine below and to the right of the sole statue on screen.
MSX2: 45. 新世サイザー (Shin Synthesizer) + 74. スナッチャー (Snatcher): [F4] Music Mode Plus
75
F1 Spirit 3DF1スピリット3DスペシャルMSX2 diskette
Confusion Gate A-3
Purchase in the Shop on the right-side of the screen for 005 Coins.
Collectible
76
Game Collection 1コナミゲームコレクション1MSX2 diskette
Spring of the Sky A-6
Examine the decaying skeleton under the water on the left-side.
Collectible
77
Game Collection 2コナミゲームコレクション2MSX2 diskette
Inferno Cavern F-5
Climb midway up the ladder and strike the left wall repeatedly to reveal an alcove; examine the floor within.
Collectible
78
Game Collection 3コナミゲームコレクション3MSX2 diskette
Mausoleum of the Giants C-1
Destroy the false wall to the left of the pedestal and examine the skeleton that was hidden behind it.
Collectible
79
Game Collection 4コナミゲームコレクション4MSX2 diskette
Twin Labyrinths C-2
Examine the large crack at the base of the single pillar in the background.
Collectible
80
Game Collection EXコナミゲームコレクションばんがいへんMSX2 diskette
Guidance Gate D-4
Using the かぎ爪 (Grapple Claw), jump from the rightmost wall at C-4 and land on top of and examine the third angel statue at the bottom-left corner of D-4.
Collectible
81
SD SnatcherSDスナッチャーMSX2 diskette
True Shrine of the Mother B-6
Examine within the small alcove at the center-right of the screen, immediately left of the ladder.
MSX2: 45. 新世サイザー (Shin Synthesizer) + 81. SDスナッチャー (SD Snatcher): [F4] Music Mode Full
82
BadlandsバッドランズMSX1 laserdisc
Tower of Ruin E-2
Break the left wall using the 鍵剣 (Keyblade) and examine within the recess.
MSX2: 82. バッドランズ (Badlands) + 84. A1スピリット (A1 Spirit): [F4] Displays the La-Mulana Jukebox password.
83
Gradius 2 Betaグラディウス2ベータMSX1 cartridge
Dimensional Corridor A-4
Defeat the ムシュフシュ (Sirrush) twice and examine its remains. Be sure not to leave the room before it respawns!
Collectible
84
A1 SpiritA1スピリットMSX1 cartridge
Tower of the Goddess B-7
Shoot the block at the lower-left corner of the screen six times with the 拳銃 (Pistol) to reveal this cartridge.
MSX2: 82. バットランズ (Badlands) + 84. A1スピリット (A1 Spirit): [F4] Displays the La-Mulana Jukebox password.