Sphere TD

Contains adsIn-app purchases
3.8
39 reviews
10K+
Downloads
Content rating
Everyone
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About this game

★ This is a complex but rewarding TD, not all cadets graduate. ★

Build your towers to defend against overwhelming spheres. Mine, research, and upgrade tower mods to power up your builds. Min-max stats, farm resources, automate, pick ModCards...the strategy is yours. Don't forget to watch your energy consumption!

- Build tower & projectiles your way.
- 30 base towers with 28+ stats to optimize.
- 33 mods with 5 parameters each = 1,000,000+ combinations.
- Research, crafting, and long-term progression.
- Tower inventory and energy management.
- 50 hand-crafted levels + endless mode.
- Play offline or online with cloud sync + leaderboards.

Community & Long Term Support

- Community-driven events and feature development via Discord.
- 10 years support. Build the game with me. You want it, I'll make it.
- No P2W, no ads spam, no time-gates, no paywalls, no lootboxes. (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 games, RPG, roguelike choices, and crafting mechanics, you'll handle this game just fine. If not, hop over to our Discord channel and I'm happy to answer any question you may have. :)

★ Ready to join the Galatium Academy? ★
Updated on
Mar 30, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
App activity and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

3.8
39 reviews
evan robert
March 11, 2026
Although the recent update is nice, the resource quantity's B effect now ads a hefty +1.2 Retrieve time. having more than 7 makes them not worth the inside drop. Mine takes me a whooping 57 seconds to retrieve now, so I've had to mostly change how I get resources. I now have half the rarity, quantity, and energy requirements, but the retrieve time is down to only 12 seconds. (which is still higher than before the update)
1 person found this review helpful
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Standard Issue Games
March 8, 2026
Thanks for the feedback, in this mining revamp update I'm encouraging more active play to gain resources. This week, you're able to get more than 1.3mil resource value just from ores alone. I also checked the rarity code, it should contribute to the tower's stats. Rarity should benefit you more when you already have high quantity increase.
Daniel Stevens
March 23, 2026
Almost really good. I like the mining and the market and the idea of designing turrets. The market does not work in a rewarding way. I have been testing it for a few weeks and it consistantly lowers the sell price when you have more of that resource.
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Standard Issue Games
March 16, 2026
Thanks for your feedback. For towers aim you can select them on map and set their targeting mode. Also you can tap the crosshair icon to lockon targets. Let me know if that helps
Matthew Schwartz
March 8, 2026
honestly I'm impressed with the game. It seems like there is a dedicated person or team that can use their ability to program games that are expansive and fully functional. Realistically the game is a solid 8.5 out of 10 but Google reviews suck. it is capable of turning into something that is near bloons... with time
1 person found this review helpful
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Standard Issue Games
March 8, 2026
Thank you for the review, glad you like it. I'm a solo dev and I'll be supporting my game for a very long time. Look out for the next update - world maps :)

What’s new

World Map Major Update
- New world map with randomly generated paths and custom objectives.
- Mods revamp and balance.
- Auto advanced mod crafting.
- Max spheres and projectiles on map is limited to 300.
- Made ores a lot easier to damage, especially low tier ores.
- UI and bug fixes