IMHO.

Kill the Superweapon vs Thunder Kid II: Null Mission

Kill the Superweapon and Thunder Kid II: Null Mission both land in Action, 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 Action, Indie on Steam. Kill the Superweapon (2018) is 2 years older than Thunder Kid II: Null Mission (2020). Thunder Kid II: Null Mission scores higher on Steam reviews (100% positive) than Kill the Superweapon (84.6% positive). 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 Kill the Superweapon

Choose Kill the Superweapon if it matches what drew you to this matchup. Kill the Superweapon launched in 2018.

Choose Thunder Kid II: Null Mission

Choose Thunder Kid II: Null Mission if it's currently about 50% cheaper on the Steam Store. Thunder Kid II: Null Mission launched in 2020.

Both Kill the Superweapon and Thunder Kid II: Null Mission sit in Action 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

Kill the Superweapon vs Thunder Kid II: Null Mission — Steam metadata comparison
Kill the Superweapon — Steam game coverKill the SuperweaponThunder Kid II: Null Mission — Steam game coverThunder Kid II: Null Mission
Released20182020
GenresAction, IndieAction, Indie
PlatformsWindows, macOSWindows
Steam DeckUnratedUnrated
Price7.99 USD3.99 USD
Steam reviews84.6% positive (13 reviews)100% positive (12 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersRenegade Sector GamesRenegade Sector Games

Side by side

Kill the Superweapon vs Thunder Kid II: Null Mission — FAQ

Should I play Kill the Superweapon or Thunder Kid II: Null Mission first?
If you want chronology, Kill the Superweapon (2018) came out before Thunder Kid II: Null Mission (2020). 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 Kill the Superweapon and Thunder Kid II: Null Mission similar?
They overlap on Action, 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.