IMHO.

Sphere TD vs Endless Void: Idle Tower Defense

Sphere TD and Endless Void: Idle Tower Defense both land in Strategy, Indie on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Strategy, Indie on Steam. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose Sphere TD

Choose Sphere TD if you want an Early Access game with Adjustable Text Size, Camera Comfort, and Touch Only Option. Sphere TD launched in 2026.

Choose Endless Void: Idle Tower Defense

Choose Endless Void: Idle Tower Defense if you want an Action and Casual game with Custom Volume Controls, Adjustable Difficulty, and Save Anytime.

Both Sphere TD and Endless Void: Idle Tower Defense sit in Strategy and Indie on Steam and both list Playable without Timed Input and Mouse Only Option, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

Sphere TD vs Endless Void: Idle Tower Defense — Steam metadata comparison
Sphere TD — Steam game coverSphere TDEndless Void: Idle Tower Defense — Steam game coverEndless Void: Idle Tower Defense
Released2026
GenresStrategy, Indie, Early AccessAction, Strategy, Indie, Casual
PlatformsWindowsWindows
Steam DeckUnratedUnrated
PricePrice unknownPrice unknown
Steam reviews
MultiplayerSingle-player onlySingle-player only
DevelopersStandard Issue GamesBubblekings Games

Side by side

Sphere TD vs Endless Void: Idle Tower Defense — FAQ

Are Sphere TD and Endless Void: Idle Tower Defense similar?
They overlap on Strategy, Indie on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
Sphere TD vs Endless Void: Idle Tower Defense (2026) · imho.run