This game is free but the developer accepts
your support by letting you pay what you think is fair for the
game.
No thanks, just take me to the downloads
Included files
Upgrade_Inc.exe (36 MB)
Upgrade_Inc.zip (16 MB)
Upgrade_Inc.x86_64 (40 MB)
Upgrade.zip (6.8 MB)
Support the developer with an additional contribution