Overview
Embark on a wild cosmic journey in "Mr.Addon in Sulpicius Gallus M," a free-to-play 2D arena shooter where you play as Mr. Addon, a renegade on a mission to awaken the "Big Human" slumbering within the Sulpicius Gallus M crater. This adventure throws you into fast-paced combat against a variety of foes, including system maintenance technicians, Dominion aliens, and replicating cyborgs.
Highlights
- Genre-Bending Action: "Mr.Addon in Sulpicius Gallus M" blends adventure and arcade elements with intense 2D arena shooting.
- Unique Abilities & Puzzles: Players can harness elemental powers like ice and fire, utilize teleportation portals, and solve "sharp" puzzles.
- Artistic & Musical Vision: The game features distinctive hand-drawn visuals by Peláez Ochoa and an original soundtrack by unTIL BEN.
Who It's For
This game is perfect for players who enjoy fast-paced 2D shooters with a quirky sci-fi narrative. If you appreciate unique art styles, enjoy challenging boss fights, and are looking for a free-to-play experience with a conspiracy-laden plot, "Mr.Addon in Sulpicius Gallus M" might be your next obsession.
Game Info
Developed and published by Addonius Productions, "Mr.Addon in Sulpicius Gallus M" was released on December 8, 2021. It supports multiplayer and Family Sharing, offering a 2D, hand-drawn, sci-fi arena shooter experience. The game is free to play and has garnered a positive reception from Steam users.





