Today's price by store
| Store | Price | Discount | Sale ends | View in store |
|---|---|---|---|---|
| GOG | R$3.59R$8.99 | -60% | — | View in store |
| Steam | R$8.99 | — | — | View in store |
Lowest price today: R$3.59 on GOG.
Prices updated on Nov 1, 2026. The store's price is the one that counts.
Lowest recorded price
R$3.59 on GOG, on Oct 28, 2026. It is the lowest price since Oct 17, 2026, when Game Fellow started tracking this game.
Price history (last 90 days)
- Steam: R$8.99 today; low of R$8.99 and high of R$8.99 in the period.
- GOG: R$3.59 today; low of R$3.59 and high of R$8.99 in the period.
- Steamavg. R$8.99
- GOGavg. R$7.30
Game details
- Genres
- Adventure, Platform
- Platforms
- DOS, PC (Microsoft Windows)
- Release
- Dec 14, 1990
- Developer
- id Software
- Publisher
- Apogee Software
About the game
Commander Keen: Invasion of the Vorticons: Episode 1: Marooned on Mars (Dec. 14th 1990) Episode 2: The Earth Explodes (1991) Episode 3: Keen Must Die! (1991) Commander Keen's very first adventure, and the debut of id's groundbreaking side-scrolling technology. In the game you play the role of Commander Keen: the alter-ego of an eight year-old genius by the name of Billy Blaze. When Billy learns that the Earth is in danger, he dons his brother's football helmet and his homemade interstellar spaceship to become Commander Keen -- Defender of the Earth! Commander Keen in Goodbye Galaxy!: Episode 4: Secret of the Oracle (1991) Episode 5: The Armageddon Machine (1991) You are eight-year-old Billy Blaze, boy genius to your neighborhood. Commander Keen to the rest of the universe. It's time to grab your trusty pogo stick and neural stunner, climb into the cockpit of your homemade Megarocket and blast off for the Shadowlands. To prevent the obliteration of life as we know it, you'll have to battle your way past deadly hazards and devious creatures, or end up as space toast.
Summary from IGDB.