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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.
Release Date: Dec 14, 1990

Buy Commander Keen Complete Pack

$4.99

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.

System Requirements

    Minimum: A 100% Windows XP/Vista-compatible computer system

Helpful customer reviews
16 of 17 people (94%) found this review helpful
177 products in account
12 reviews
6.2 hrs on record
This "Complete Pack" contains the first five full Keen titles, excluding Keen Dreams and Aliens Ate My Baby Sitter! probably due to publishing rights issues.

Commander Keen in Marooned on Mars:
The first entry into the series, and a very enjoyable one. The difficulty isn't too high or too low, just about right; it's short and sweet. Despite the lack of music and somewhat annoying sound FX, the title still retains a lot of its original charm.

Commander Keen in The Earth Explodes:
Out of the original trilogy, this is my least favorite one. Why? Because it's basically the first one, but quickly loses its charm when the unfair gameplay kicks in. And I don't mean "unfair" as in "challenging", I mean unnecessarily aggravating. This is due to the tad bit of input lag, bull**** level design, and annoying enemy AI. Thanks for that John Carmack.

Commander Keen in Keen Must Die!:
This entry is even more unforgiving than the second, and the lack of music and sound FX REALLY wears on you by now. Why isn't it my least favorite? The main antagonist. Without spoiling anything, the main antagonist and his simple (yet relatable) backstory make the game worth seeing through to the end, and you barely even learn anything about him until the boss fight, which luckily, isn't too hard. I'll just say.. it shows a lot of humility for id Software, considering how they went on to turn the entire industry upside down multiple times.

Commander Keen in Secret of the Oracle:
This is probably my favorite Keen title, why? Well, one reason is Dopefish's glorious debut. Another is how nearly every aspect of Keen was improved vastly. This is when the Keen series felt much more like a fully-formed franchise rather than a labor of love from a group of eager programmers. The graphics are much more colorful and cartoony, the gameplay is MUCH more fluid and MUCH less aggravating, and there is actual background music that’s catchy and makes the experience more enjoyable. And you can't forget Dopefish, we will never forget Dopefish.

Commander Keen in The Armageddon Machine:
A lot like Secret of the Oracle, except new levels, music, easter eggs, and sadly leaves on a big cliffhanger, and I only mention this because the sixth title is not included leaving you to find it yourself. Still a lot of fun and pretty enjoyable. The only nitpick I really have is how you actually beat the game, as it is very confusing and very hard to actually figure out how to blow the last fuse. Otherwise, a solid Keen title.

Some people complain on how "You're paying for an emulator!" or "It's missing two episodes!” I really don't. This is the bulk of a classic series, and you're paying how much? Five dollars? And you'll probably wait for a sale anyway, won't you. You should be grateful it's even on Steam for legitimate purchase. Also, the games run almost flawlessly in DOSBox, unlike many other DOS games released on Steam packaged with DOSBox..
If you want to explore id's past, want to dive into another retro platformer, or simply just bored, buy the pack now for five bucks. Don't even wait for a sale, it's not really worth waiting for when you could be playing now.
Posted: April 26th, 2014
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10 of 10 people (100%) found this review helpful
62 products in account
3 reviews
3.1 hrs on record
This is a great platformer that was released a long time ago and re-released on steam.
I owned them back in the days and I played them to death, so I was happy to see them on steam as well.
The only downside : keen 5 and 6 are sadly missing..
BUT it has a pogo stick!
10/10 would pogo again
Posted: June 26th, 2014
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3 of 3 people (100%) found this review helpful
11 products in account
1 review
0.6 hrs on record
Played this back in the early 90s. Still fun.
Posted: May 20th, 2014
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3 of 3 people (100%) found this review helpful
76 products in account
3 reviews
0.1 hrs on record
A 90's classic! Use to play this on Windows 3.1 when I was just a wee lad.
Posted: July 18th, 2014
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5 of 7 people (71%) found this review helpful
49 products in account
35 reviews
0.6 hrs on record
mother ♥♥♥♥ing amazing game
Posted: June 20th, 2014
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58 of 59 people (98%) found this review helpful
138 products in account
2 reviews
6.3 hrs on record
One of the icons of the DOS era. They label this as the "Complete Pack", but it is missing a few games (Keen Dreams & Aliens Ate My Babysitter).

Dopefish Lives!
Posted: November 26th, 2013
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