
Spheres are invading Earth-25. Build your towers and mod your projectiles — split it, add it, bounce it, chain it, multiply it! Min-max tower stats, fly drones, pick ModCards, mine ores, automate towers, the choice is yours.
- Build & mod your towers and projectiles! Nothing is premade!
- 39 towers with unique layouts and functions.
- 33 mods, each with tiers, MK upgrades, a B-Side function, and 3 unique perks
- Research, advanced mod crafting, and long-term progression.
- Tower inventory and energy management.
- 50 hand-crafted levels, endless mode, and map-specific challenges.
- A massive world map with 52,000 nodes and procedurally generated setups.
- Play offline. Online features like cloud sync and leaderboard are also supported.
The Steam version is the same as on mobile, with no ads and includes:
+50% resource gain on map end
500k Au additional research grant (on top of the usual grants)
- Community-driven events and active feature development via Discord.
- 10 years of support. Build the game with me. You want it, I'll make it.
- No P2W, no time-gates, no paywalls, no ads spam, and no loot-boxes. (Your funding of the Galatium Academy is appreciated.)
- Cross Platform (mobile and desktop).
Hi! I'm Alex, a solo developer, and I'm excited to show you my first game, Sphere TD. If you enjoy tower defense, RPG progression, roguelike choices, and theory-crafting, you should feel right at home. If not, hop over to our Discord and I'm happy to answer any questions you may have. :)