Play on iOS with an emulator

No iOS version here. Download the PC package (.7z) and run it with an emulator

Ren'Py → Spark(no unzipping) RPG Maker → RPGViewer(unzipping required)

Prepare emulator

Please search for and buy an emulator on Taobao (Ren'Py games use Spark, RPG Maker games use RPGViewer), and ask the seller for install instructions.

Download game files

Download the game's PC package (.7z) from this site.

Import / Extract

First try importing the .7z directly into Spark (no unzipping, lowest effort). If it won't open, extract it with an unzip app and take a look: Has a game folder → still a job for Spark; Has a www folder, or js and data folders → use RPGViewer instead and select the folder containing them.

Run & play

Open the game files with the emulator to start playing. If the archive has a date folder at the top, go one level deeper.

View detailed guide ›

VIP

Steam PortShooting

Bottom of the Pit Pinball

Game language Japanese

Steam PortEditor's ChoiceSci-Fi

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This game doesn't support English. In-game text is in: Japanese

Download now Tap to choose a download method Cloud drive / Standard route available Play without installing Tap and play Tap and play

Game synopsis

Shoot marbles and smash obstacles to dig deep underground, tunneling your way to the planet's core. With a limited number of shots each turn, plan carefully and strategize to fire at obstacles fixed to the walls, aiming for maximum effect. Knock down as many obstacles as you can while collecting crystals for upgrades, and delve ever deeper below the surface.
Choose the ideal upgrade path based on your own playstyle and overall strategy—such as more starting marbles, more shots per turn, or storing more crystals. Enter procedurally generated planets your own way, and leap with delightful sights as you draw near the planet's core.
Balance your plans between marble-bounce patterns and unpredictable outcomes. In this charming and wondrous game, surprising bounces are full of appeal. Immerse yourself in a luxurious minimalist-art world while enjoying an original cosmic music soundtrack, and feel the satisfaction of digging ever deeper underground.
Features:
- Explore six planets in depth
- Seven different types and a cosmic-music-themed original soundtrack
- Over 5 hours of intense gameplay
- Intuitive one-handed play
- Endless play mode
- 5 achievements
- 11 leaderboards
- Split-screen support
- Screen shake toggle

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