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Credits & Info

Sep 29, 2013 | 4:19 PM EDT
  • Daily 3rd Place September 30, 2013

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Author Comments

Radius Raid is a space themed shoot 'em up where you must blast away unrelenting enemies before they destroy you. The game features 13 enemy types, 5 powerups, parallax backgrounds, retro sound effects, and locally stored stats.

This game was an entry for js13kGames 2013.
Controls: Mouse and Keyboard
Final Size: 13,278 bytes
Recommended Browser: Google Chrome



Rated 4 / 5 stars

Really straight forward and fun to play. Not much else to say.


Rated 3 / 5 stars

Pretty simple gameplay and design. High nostalgia level as well. The shooting sound effect is kinda annoying since you hear it over and over due to how the game plays but it sounds pretty cool when an upgrade is acquired. The explosion effect is very nice. It really needs some epic retro chiptune music. It feels pretty empty without any awesome music. Pretty good game I must say but the lack of music and simple designs really limit the fun.

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Rated 3.5 / 5 stars

Pretty simple gameplay, very good arcade style. Can use some improvements.


Rated 4 / 5 stars

A lot more challenging if you dont use your mouse :p which Im stuck with anyway

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Rated 2.5 / 5 stars

There's a really nasty tendency for shots to pass right through enemies, especially the smaller ones. If you sit still and just fire continuously, it looks like the shots are moving further each frame than their physical dimensions, and there are stretches of empty space that they never touch at all.

There are two solutions to this. The first is to never make a projectile move further than its own length between frames, but it makes projectiles slow.

The better solution is to see if enemies intersect the line connecting its initial and final position. Calculating distance to a line is a pretty easy bit of trig and vector math, as is projecting WHERE it hits onto that line if you want to add a small explosion instead of just vanishing the shot.

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