“The most addictive Xbox game right now”: Build your own unstoppable tank Lego-style in this moreish bullet heaven — right now on Xbox Game Pass
TerraTech Legion is a new bullet heaven survivorlike game from British developer Payload Studios, released on April 30, 2026. The game serves as a spiritual successor to the original TerraTech from 2018, maintaining the series’ signature mechanic of building custom vehicles from modular blocks. This core building system encourages creativity and experimentation as players construct their perfect war machine.
In TerraTech Legion, players collect and snap together block modules to construct their own tanks, which they can equip with an array of weapons including lasers, railguns, and battering rams. The core gameplay loop involves using these custom-built vehicles to clear waves of AI enemies in the “bullet heaven” style of gameplay, which combines action elements with strategic vehicle customization and survivorlike progression.
The game is priced at $9.99 and is available across multiple platforms including Xbox Series X|S, Xbox PC, and Steam. It supports Xbox Play Anywhere functionality, allowing players to purchase once and play on both Xbox and PC. Notably, TerraTech Legion is available day-one on Xbox Game Pass, making it immediately accessible to subscription service members.