Pixel Bosses

8 animated pixel art bosses, every one on the same exact 96x96 cell, with 51 frames in 7 animations, in two phases and facing both ways (816 frames). For platformers, metroidvanias, side-view action games, survivors-likes and RPG battles. Standing, the bosses are 55 to 88 px tall at 1x.

Licence in one line: use them in your commercial games; do not resell the files. No credit required.

The bosses

• Slime King: hops, body slam, spits slime balls.
• Stone Golem: stomps, double-fist slam, throws boulders.
• Giant Spider: eight-leg walk, rearing bite, spits web.
• Elder Treant: lumbers, branch swipe, throws thorn pods.
• Ogre Brute: stomps, club smash, jump stomp shockwave.
• Lich: floats, staff swing, casts soul orbs.
• Sand Wyrm: rises from sand, biting strike, spits acid.
• Watcher Eye: floats, tentacle lash, fires laser bolts.

Every boss is a full kit

• 7 animations: idle (6), move (8), attack (8), special (10), roar (6), hurt (3) and death (10, it stays down).
• 2 phases: normal and enraged. The enraged phase is every frame again in a new palette with glowing eyes, cores or cracks (the golem turns to magma, the treant to blood-red autumn). Play the roar between them.
• Its own projectile and impact (slime ball, boulder, web glob, thorn pod, shockwave, soul orb, acid glob, laser bolt), in both phases.
• Facing right and left, as separate files.

Made to drop in

• The size is on the page: every frame is exactly 96x96 at 1x (3 x 32). Nothing touches the sides or the top, and the walking bosses stand on the bottom row.
• A JSON for every sheet with every frame's rectangle, fps, loop or play-once, the anchor (the ground under the boss), the attack's hit frames and hit box, the special move's spawn frame and point and every frame's opaque box.
• Every frame also as its own PNG, plus sheets, at 1x, 2x and 3x, the palette (.hex, .gpl) and a shadow sprite. No baked shadows.
• The fight in the screenshots uses Gridwright Platformer Tileset, Side-View Characters and Combat VFX (each sold separately, not included).

Try before you buy

The free sample is the whole Slime King: all 7 animations, both phases, both facings, its projectile and impact, with the same sheets and JSON.

What it does not include

No sound, no Aseprite files, no engine project files. Side view only (left and right, no up or down views). No separate minions. The enraged phase is a palette change with glowing details, not new poses. The art is drawn at 1x; the 2x and 3x files are scaled copies.

Licence

Use and modify in personal and commercial projects. Shipping the bosses inside your game is fine. No resale or redistribution of the assets, modified or not. Credit is appreciated, not required. Not for AI training or NFTs.

How it was made

Every frame is drawn by code: each boss is a set of 3D parts (ellipsoids, tapered limbs, plates) posed per frame, lit from the top left and banded onto 6-tone colour ramps with outlines. The code was written with AI-assisted tools. No image generator was used, and no third-party art is included.

Missing a boss, an animation or a size? Leave a comment: the pack gets updates. The bosses: Slime King, Stone Golem, Giant Spider, Elder Treant, Ogre Brute, Lich, Sand Wyrm, Watcher Eye.