The best alternatives to Space Grub are Epic Games, Playr, and Berlin Flat Quest. If these 3 options don't work for you, we've listed a few more alternatives below.
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Postman Recorder by DevTools— Export Postman APIs from browser
A curated digital storefront for PC and Mac, designed with both players and creators in mind. Focusing on great games and a fair deal for game developers.
Berlin Flat Quest recreates the painful process of finding accomodation in Berlin through a series of comedic mini-games. Under the comedic nature of the game, a subtext points out themes like racial discrimination or erratic public housing policies.
Cyberpunk style space shooter The aim will show you what color is needed to use to destroy the asteroid. The further you go the faster the speed of the game is. Currently working on a multiplayer and general improvements