| App Type | demo |
| Full Game | 687 Days on Mars |
| Release Date | Unknown |
| Developer | Games Incubator, Frozen Cave Studio |
| Publisher | PlayWay S.A., Games Incubator, Frozen Cave Studio |
| Supported Systems | Windows |
| Price | Free |
| Required Age | 0+ |
| Website | https://store.steampowered.com/app/3850990/687_Days_on_Mars_Demo/ |
| Support | https://games-i.com |
| Support Email | pr@games-i.com |
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687 Days on Mars is a survival game where you are stranded alone on Mars - your task is to manage resources, build a base from scratch, grow food, and explore the red planet in search of supplies and other hidden challenges. Every breath and decision counts - can you survive on the Red Planet?