Games like Sphere TD
Below are 16 hand-picked alternatives to Sphere TD for fans of strategy, indie, early access, ranked by imho.run's hybrid recommender. Each pick is scored on three signals: collaborative filtering across millions of Steam libraries (which players who logged hours in Sphere TD also play), content overlap on genres, categories, and storefront tags, and review-mined "vibe" embeddings that catch tonal similarity even when the genre label differs. Sections below cover closest matches, reviewer cross-mentions, free-to-play picks. No login required — these picks work anchor-only.
About Sphere TD: Spheres are invading Earth-25. Build your towers and mod your projectiles — split it, add it, bounce it, chain it, multiply it! A true 1 tower = 1,000,000+ builds. Min-max tower, craft mods, pick ModCards, fly drones, mine ores, idle and enjoy the music, the choice is yours.
Players who liked Sphere TD also play
Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.
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Factory Time
Top pick for Sphere TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Sphere TD.
A factory automation incremental game at the end of the universe. Start crafting by hand, automate production, and build the Chronoforge to escape.
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The Board is Yours
Second-strongest match for Sphere TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Sphere TD.
The Board is Yours is a strategic chess-based incremental game: buy squares, unlock upgrades, and chain synergies through defended pieces. It plays as a demanding idle game where you’ll constantly reposition pieces and optimize your production until the board belongs to you.
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Rejected Draft
Third-strongest match for Sphere TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Sphere TD.
You are a flawed doodle that was thrown in the trash. Battle rival sketches, absorb their powers, and seek your ultimate revenge. Watch numbers soar in this second-screen idle battler. Massive skill tree and randomized prestige mechanic means every journey is distinct.
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WorldShaper Idle
Ranked #4 for Sphere TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Sphere TD.
Relax and build your own world! Discover new tiles by experimenting with tile placement. Use their bonuses to optimize your production, or just sit back and become ever more powerful! What will your worlds look like?
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Mining and Dwarves
Ranked #5 for Sphere TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Sphere TD.
An incremental game where you mine rocks, gather ore, and recruit dwarves. Play actively for maximum gains, or idle and let the dwarves do the work.
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Heroes For Hire - Guild Micromanagement Simulator
Ranked #6 for Sphere TD fans by collaborative filtering across millions of Steam libraries. Shares Indie and Early Access with Sphere TD.
You've joined a guild before, right? So, where's the trouble in managing a guild of your own, too? Use the GuildOS system to guide your heroes, raid some dungeons, and grow your guild to rise from the bottom of the ranks right up to the top in Heroes for Hire!
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Incrempire
Ranked #7 for Sphere TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Sphere TD.
Defend. Upgrade. Dominate. A relaxing incremental base-defense game, packed with powerful skills and a deep skill tree.
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Magic Research 2
Ranked #8 for Sphere TD fans by collaborative filtering across millions of Steam libraries. Shares Indie with Sphere TD.
Welcome to Magic Research 2, an incremental RPG from the creator of Magic Research. Learn countless spells, face powerful foes, and command a team of Wizards who can cast spells for you as you journey to find or create the Philosopher's Stone.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
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Doki Doki Literature Club!
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Sphere TD.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
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Ultimate Custom Night
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Sphere TD.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 4
Bongo Cat
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Sphere TD.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
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ENA: Dream BBQ
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Sphere TD.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
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The Murder of Sonic the Hedgehog
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Sphere TD.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
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Indigo Park: Chapter 1
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Sphere TD.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
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The Looker
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Sphere TD.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
Narrow it down
Head-to-head comparisons
Frequently asked about Sphere TD
- What games are most similar to Sphere TD?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Sphere TD are Factory Time, The Board is Yours, Rejected Draft.
- Who developed Sphere TD?
- Sphere TD was developed by Standard Issue Games.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Sphere TD.
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