In no particular order, this is an incomplete and highly speculative list of other examples I'm considering adding.
Send me your ideas if there's something else you'd like to see.
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Advanced platformer
- Moving platforms
- Wall slide
- Wall jump
- Swinging ropes
- Slopes/ramps
- Ladders
- Stairs
- Climbing ropes
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Procedural generation
- Forests
- Dungeons
- Race tracks
-
Pathfinding
- Straight-line
- Waypoint
- A*
-
More lighting effects
- Normal map shaders
- Colored lighting
-
Perspectives
- Parallax scrolling
- Top down
- Isometric/2.5D
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Simple AI behaviors
- Move left
- Back and forth
- Attack
- Periodic attack
- Flocking
- Keep away
- Run away
-
Celestial mechanics
- Earth/Moon system
- Sun/Earth/Moon system
- With spaceships
-
Top-down vehicles
- Basic movement
- Turning
- Tank with rotation turret
-
Camera control
- Panning
- Following
- Zooming
- Side view
- Top view
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Other ideas
- Tiled levels
- Tiled sprites
- Bullet time
- Collisions
- PID controllers
- Angry Birds style slingshot
- Projectiles destroyed after distance/time