nano JAMMER by @CasualEffects is a fun little toy for game developers. The goal is to write an entire video game using only 280 characters of source code. The language offers a few dozen sprites, 32 color palette, and variables named as greek letters. All designed to keep the character count down. I made some modifications to the demo game and created Zeta Attack! The source looks like this:
Head over to the nano JAMMER site and check Out Zeta Attack!
#nanojam ZETA ATTACK Ω=50 if(¬τ)x=32 if(τ<0)pal(8+3ξ);circ(x,Ω,99+τ,19);cont srand(5) x=mid(9,x+2joy.x,54) for u≤64 s=3ξ;pset(u,(2⁸ξ+τs)%2⁸,5+s);pal(111008001307) k=⌊2ξ+1⌋;v=τk-3⁸ξ;draw(46,u,v,36,4,-π);if(,x-u,+,v-Ω,<6)τ=-99 draw(37,x,Ω,641) if(τ≥9³)text("WIN!");wait;τ=0