
The green character, Ibb, and the pink character, Obb, journey through a world split by a thin horizon line; on each side of the boundary, everything is flipped and gravity pulls in opposite directions. The game emphasizes teamwork, as the two companions must collaborate closely to advance through the adventure.
| PS3 | August 6, 2013 |
| PC | May 26, 2014 |
| Linux | May 26, 2014 |
| Switch | March 5, 2020 |

| Audio | Subtitles | Interface | |
|---|---|---|---|
| 简体中文 | ✓ | ||
| Dansk | ✓ | ||
| Nederlands | ✓ | ||
| English (US) | ✓ | ||
| Suomi | ✓ | ||
| Français | ✓ | ||
| Deutsch | ✓ | ||
| Italiano | ✓ | ||
| 日本語 | ✓ | ||
| 한국어 | ✓ | ||
| Norsk | ✓ | ||
| Polski | ✓ | ||
| Português (Brasil) | ✓ | ||
| Português (Portugal) | ✓ | ||
| Русский | ✓ | ||
| Español (España) | ✓ | ||
| Svenska | ✓ | ||
| Türkçe | ✓ |