Sphere TD

Contains adsIn-app purchases
3.7
62 reviews
Content rating
Everyone
10K+
Downloads
Content rating
Everyone
In-Game Purchases
Learn more
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About this game

Sphere TD is a deep tower defense strategy game where you build every tower from scratch - NO presets! Route mods through grid layouts to fire projectiles: split, bounce, chain, pierce, multiply. A true one tower with 1,000,000 build combinations.

Built for players who enjoy min-maxing tower stats, theory-crafting builds, roguelite choices, incremental progression, mining and crafting mods. This is not a casual TD.

Highlights:

- 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, with cloud sync and leaderboard support.

Community & Long Term Support

- 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).

Message from the Dev

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, roguelite 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. :)

★ Ready to join the Galatium Academy? ★
Updated on
Jun 29, 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

3.7
60 reviews
Mgsgta3
April 3, 2026
I want to start out by saying this game is exceptionally fun and challenging. While technically a tower defense game It's more about what you can come up with when building your towers(some towers have +50 mod slots and the different outcomes are pretty drastic(in a good way) only thing is that some of the crazier stuff doesn't seem to last too long before getting nerfed, and the crazy stuff is part of the fun so I'd really like to see a "fun/unranked" mode with less punishing mods or similar.
2 people found this review helpful
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Uwma Senhur
April 3, 2026
Updated review after playing for a month: This game is amazing if you're into theory crafting and coming up with creative and unique tower builds. There are very few games like this on mobile. It's one of those games where you spend longer staring at your loadout min maxing builds than actually playing. There are soo many unique and creative ways to break the game. The frequency of content being added by a single dev is astonishing so i'm hoping more players join because this game deserves it.
1 person found this review helpful
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Standard Issue Games
March 16, 2026
Glad you enjoyed the game. I'll be tuning the resource gathering and mining rate with the next major update. Stay tuned!
Not Uzzon
June 23, 2026
After Map 30 (R3 Research) the game completely transforms and you unlock limitless build crafting and customization possibilities. The community is small enough that there's still plenty of room for more innovation and creativity. The dev has stated that they intend to support this game for the 10 years and I believe in their vision, please after 147 hours I implore you to come and give Sphere TD a chance.
1 person found this review helpful
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What’s new

- Fix a bug with drone towers not able to toggle auto-recall
- Fix objectives not completing when fulfilled
- Added a reddit button