Players now
0
newvs 24h ago · updates every minute
Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
Loading from Steam…
Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
Checking other stores…
Loading from Steam…
92% positive of 13 · Positive · Live from Steam
Loading reviews from Steam…
Free on Steam. The demo has its own app, so its players are counted separately.
Dive deep through the neon-hued brash and bawdy '80s inspired reimagined classic 2D action-platformer with your favorite BADASS Kraut, Klaus Lee! Dust off your jetpack, grab your dynamite and prepare your laser eyes and dive deep into Klaus' first challenging adventure!
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 92% on 2026-11-01 → 92% today (13 reviews)
No authorized Steam key store lists this game right now.
Games we track that share the most Steam tags with this one.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
The wait is over—Klaus Lee - Thunderballs has officially landed on Steam in an explosive shower of pixelated glory!Step into the boots of Klaus Lee: stuntman, action legend, and the only man with thunderballs big enough to punch fate in the face. Race across v…
Retro-Lovers and Moustache-Fans listen up! Kicking off right now: the Games+ Germany Event here on Steam! Discover & explore many amazing indie games made in Germany. Among many outstanding games, you can also find our upcoming classic 2D action-platformer Kla…
To celebrate the Steam Next Festival, we will release an exciting new playable demo for Klaus Lee. The demo will showcase brand new levels and allows you to discover the level editor to create and share your own levels. Be sure to be one of the first players t…
To celebrate the Steam Next Festival, we will release an exciting new playable demo for Klaus Lee. The demo will showcase brand new levels and allows you to discover the level editor to create and share your own levels. Be sure to be one of the first players t…
Regardless of their backstory, powers, abilities, or stature, heroes are vital to both real and fictional worlds. Let’s celebrate Heroes of all kinds with the Heroic Sale here on Steam by Twin Sails Interactive! https://store.steampowered.com/app/1776700/Klaus…
What's that? It's blue light. What does it do? Melting everything that dares to step in Klaus Lee's way! We (Assemble Entertainment & NUKKLEAR) are excited to reveal our 2D action platformer, Klaus Lee - Thunderballs, coming to Nintendo Switch, Windows PC and …