IMHO.

Into the Breach vs Thermonuclear

Into the Breach and Thermonuclear 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. Into the Breach (2018) is 3 years older than Thermonuclear (2021). Thermonuclear is currently ~67% cheaper on Steam than Into the Breach (4.99 USD vs. 14.99 USD). 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 Into the Breach

Choose Into the Breach if you want a Simulation and RPG experience. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 12,387 Steam reviews back the pick.

Choose Thermonuclear

Choose Thermonuclear if you want an Action experience. On Steam, it's currently about 67% cheaper on the Steam Store. Thermonuclear launched in 2021.

Both Into the Breach and Thermonuclear sit in Strategy and Indie on Steam, 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

Into the Breach vs Thermonuclear — Steam metadata comparison
Into the Breach — Steam game coverInto the BreachThermonuclear — Steam game coverThermonuclear
Released20182021
GenresStrategy, Indie, Simulation, RPGAction, Strategy, Indie
PlatformsWindows, macOS, LinuxWindows
Steam DeckDeck VerifiedUnrated
Price14.99 USD4.99 USD
Steam reviews93.8% positive (12,387 reviews)4 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersSubset Games

Side by side

Into the Breach vs Thermonuclear — FAQ

Should I play Into the Breach or Thermonuclear first?
If you want chronology, Into the Breach (2018) came out before Thermonuclear (2021). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are Into the Breach and Thermonuclear 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.
Does Into the Breach run on Steam Deck?
Yes — Into the Breach is rated Deck Verified by Valve. Thermonuclear doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Into the Breach vs Thermonuclear — Verdict (2026) · imho.run