August 24th-27th 2012 :: Theme: Evolution

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Invaders: Evolution

by vilya - 48 Hour Compo Entry

An exploration of the sociopolitics behind the infamous Space Invaders war. :-)

Use the arrow keys to move left or right & space to fire. Press 'p' to pause the game at any time, or 'Esc' to quit.

There are two possible endings...

Note: sometimes you may see letters instead of the alien spaceships. If this happens to you, clearing your browser cache and reloading may fix the problem for you.

Note 2: some players found a bug where the game would freeze on them during the first level with the green aliens; this should now be fixed, but let me know if you still get it.

Note 3: I've added a post-compo version with a fix for the alien spawning logic. I'll be adding a few more fixes over the next couple of days as well.

Downloads and Links




jtoper says ...
Aug 27, 2012 @ 1:43am

I like it! It's a really good challenge

wibblymat says ...
Aug 27, 2012 @ 11:29am

Ha, "Trade Envoy" my bum. Let the guy on the first level get to the bottom to see what happened and I lost anyway! :D

vilya says ...
Aug 27, 2012 @ 11:49am

He was selling high powered radios which just happen to operate at a frequency that turns human brains to jelly - easy mistake to make when you don't know the biology of your customers. :-)

headchant says ...
Aug 27, 2012 @ 12:43pm

Those damn aliens again :)

LuizHGMonclar says ...
Aug 27, 2012 @ 10:25pm

Hahahha, I love these "alternative explanations" to why stuff we know happened, really loved the humor :) had fun! Great game :)

nseward says ...
Aug 27, 2012 @ 10:39pm

I loved the back story.

dalbinblue says ...
Aug 27, 2012 @ 10:41pm

Hehe, liked the humor.

panda says ...
Aug 27, 2012 @ 10:41pm

It's weird, running it on IE10 I get letters instead of the invader graphics (?)

kevincorrigan says ...
Aug 27, 2012 @ 10:46pm

I really like space invaders so this was awesome, unfortunately it completely froze up on me in the first round with the green aliens. Great Game non the less!:)

vilya says ...
Aug 27, 2012 @ 10:52pm

panda: Sorry about that, I tested in Chrome, Firefox and Safari but not IE. I was using a custom font, via the @font-face css attribute, to draw the invaders. I guess IE doesn't support it yet. I'll update the entry details to mention that.

kevincorrigan: sorry for the freeze, I'll try to figure out what happened and fix it. Thanks for letting me know!

Aug 27, 2012 @ 11:49pm

It was quite fun! I got the freeze during the green/friendly alien portion as well, both times that I played it actually... And I'll admit I let the first alien get all the way to the bottom to see what would happen too :)

vilya says ...
Aug 28, 2012 @ 1:08pm

I think I've fixed that freeze now. Thanks for letting me know about it!

Drabiter says ...
Aug 28, 2012 @ 2:22pm

It is easy, until you told me to not shoot the green ones :D

panda says ...
Aug 29, 2012 @ 3:21am

Love the humor! The game is fun, and I really liked how on the first three levels there's something different every time! It didn't work on IE9, btw, I saw letters instead of the symbols.

schnerble says ...
Aug 29, 2012 @ 1:01pm

Quite fun - and a nice different style for the story :) Generally it's not too hard because of the number of shots you can shoot at once (except that avoiding hitting things can be hard!) - but in a couple of cases the alien phalanx ended up so wide they just went straight down, and it was almost impossible :) Good fun though!

vilya says ...
Aug 29, 2012 @ 1:06pm

Schnerble: the spawning logic is really buggy. The aliens are supposed to turn up in nice regular rows like in the original, but I didn't manage to find the bug before the deadline. I guess it adds to the challenge though. :-)

josefnpat says ...
Aug 29, 2012 @ 7:43pm

This was very funny!
I like how stuff keeps popping up :)

gnx says ...
Aug 29, 2012 @ 9:14pm

Nice how you changed the basic game by putting some backstory and context in it. I actually found the familiar gameplay more engaging because of that.

YSelf Tool says ...
Aug 30, 2012 @ 9:36pm

I've lost... as everybody should do in a good ldgame.
Great retro graphics, nice dialogues, hard to play, good controls (as known since many years), great game!
Some sounds/music would be nice, but is not really needed.

dredlockz says ...
Sep 1, 2012 @ 7:07pm

haha, really funny story between levels.
Although its pretty much space invaders other than that, and not related to the theme :(

Beep2Bleep says ...
Sep 1, 2012 @ 7:11pm

Fun good shooter, thanks for making this!

vilya says ...
Sep 1, 2012 @ 10:13pm

dredlockz: um... it's an evolution of the original game formula...maybe? :-)

lekochen says ...
Sep 4, 2012 @ 4:07am

I like the dialogues between levels, but it's too hard!

marudziik says ...
Sep 4, 2012 @ 8:53am

I think theme-wise it's a little stretch, but the game is pretty awesome. I love the humour and story. The game gets quite hard with the introduction of green aliens, so I didn't manage to beat it. Very good entry though!

mohammad says ...
Sep 5, 2012 @ 2:57am

I really liked how you gave the aliens a perspective instead of bashing their heads without reason!

Arc says ...
Sep 5, 2012 @ 7:30am

Invaders with politics! Cool. You also captured the essence of superior firepower verses daunting numbers. Gave my space bar a real work out...

Sep 5, 2012 @ 11:27am

That's a good story! (For being Space Invaders that is.) Every level is a bit different, so I didn't get bored. The green aliens were a good twist, though it had been easy up to that level, it suddenly got hard. I looked in the source to see how the game ends. :-) Nice idea.

The one thing that's missing is sound.

You may be interested in this comic:

vilya says ...
Sep 5, 2012 @ 2:23pm

That comic is awesome! Thanks for the link!

With the green aliens, it doesn't matter if you shoot some of them - so long as you don't shoot too many of them. You win when the ratio of green aliens to white aliens is high enough; and if it sinks too low, you go to the other ending...

harusame says ...
Sep 5, 2012 @ 3:31pm

Gode challenge ! I win \o/

It's just a pittye there is no audio.

Fun game.

darkshadow says ...
Sep 6, 2012 @ 7:19pm

Great idea to add a story to space invaders! I see that unlike the original the games speed wasn't limited by the processor speed (lucky or the aliens will reach the bottom in moments with modern computers!) Anyway the green aliens added a real challenge, and I felt bad if I hit them. Spawn is buggy, and I lost during a cut-scene where I couldn't shoot which felt a bit unfair :'(

Sep 7, 2012 @ 5:51am

Hahaha, love the story!

johnfn says ...
Sep 10, 2012 @ 10:26am

LOL at your response to wibblymat, excellent. This game too was pretty funny. I lost at the end, I guess because I didn't save enough green guys, but it wasn't very clear. The tie-in to the theme was a bit questionable, but oh well, the game was fun :)

hnjslater says ...
Sep 17, 2012 @ 8:45am

Good fun game but not really related to the theme and, well, to be very honest, an awful lot like a game from the seventies I've played once or twice before. Good effort though, shame about the spawning bug.

alwaysinbeta says ...
Sep 17, 2012 @ 9:07pm

So that's why those aliens kept invading! Loved the back story and the friendly invaders. The gameplay itself felt a little sluggish.

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