All are sprites, animations optional. Also, all views are top-down, and the style is a future-cartoon-type thing. If you are not the first to make a sprite, please try and fit it in with other sprites already made.
Size: Between 160*160 and 256*256.
Extra: Needs a space for a main gun in the center, plus 4-8 additional slots around the outside.
Main (Controlled) Laser Cannon
Size: Between 64*48 and 96*64.
Extra: 1 barrel, able to hold a 8-pixel-wide laser beam. Fits on the main space station slot.
Extra Laser Guns
Size: Between 32*24 and 48*32.
Extra: 1 barrel, able to hold a 2-pixel-wide laser beam. Fits on the extra space station slots.
Placeable Laser Cannon
Extra: 1 barrel, able to hold a 2-pixel-wide laser beam.
Placeable Rocket Launcher
Extra: 4 missiles, each about 6 pixels wide.
Placeable Shield Generator
Size: 32*32 to 64*64
Extra: Looks like it makes a shield.
Placeable Lightning Gun
Extra: 1 double-pronged barrel, looks like its able to launch energy.
Placeable Plasma Turret
Extra: 1 barrel, relatively wide, looks like it does heaps of damage.
Placeable Ion Cannon
Extra: 1 barrel, looks sleek, shiny and lethal, with an 8 pixel wide beam.
Extra: Looks mainly harmless, but very fast and agile.
Extra: Looks slightly dangerous, not fast but agile, with two laser guns.
Enemy Missile Launcher
Extra: Looks slightly dangerous, not fast or agile, with two missile slots/holes to fire from.
Extra: Slow, harmless in itself, needs 1 runway on each side.
Size: 8*8 to 12*12
Extra: Ridiculously fast and agile, these are launched from the carrier. Not much detail needed.
Size: 64*640 to 128*640
Extra: Needs space for 10 buttons, as well as space for info.
Size: 128*16 to 256*16 (each)
Extra: Block-view bar would be nice (eg.   ), need 2 currently (HP + Energy), as well as an overlay to show the edges of them and what they are. No animation needed, I'm using draw_sprite_part.
Credits: 3 per bar, 4 for overlay.
Extra: Will be attached to the upgrade panel, need the following:
All 6 turrets
Upgrades (Shows upgrade menu)
Technology (Shows technology menu)
Play (Send next wave)
Pause (Pause game)
Generator (Upgrade energy regeneration)
Battery (Upgrade energy storage)
Focusing System (Upgrade focusing of main turret)
Shield (Upgrade shield of main turret)
Armor (Upgrade the armor of other turrets)
Damage (Upgrade the damage of turrets)
Energy (Upgrade energy capacity for turrets)
Strength (Upgrade the multiplier the turret deals)
Back (Returns to start menu)
Tech Level (Upgrade the tech level to unlock new things)
Extra (Build extra turrets)
Ability (Allow use of your special ability)
Research (Research to unlock new things)
Credits: 1 per button (23 Total)
More coming up, and thanks in advance.
Available - 85 Approx
Frico - 4
1+ Mention in credits as spriter
10+ Mention in credits as valued spriter
20+ Mention in credits as dedicated spriter
25+ Colored name in credits
30+ Big name in credits
40+ Enemy named after you
45+ Special effect made for you (Contact me)
50+ Contact me for reward