☑ Walk and run around (with animation)

☑ Jump (with animation)

☑ Collide with walls and floors

☑ Jump down from certain platforms (using down and jump)

☑ Simple tilemap that scrolls when the player moves

☑ Attack using a punch

☑ There must be at least one enemy type to fight

☑ Enemies should have a health bar show when they're damaged

☑ Nice explosion (or something) when enemies are defeated

☑ Crates that can be smashed

☑ Start with a single jump ability

☑ Collect a powerup (doesn't need to look fancy) that enables double jump

☑ Double jump once powerup is collected

☑ Take damage from enemies

☑ Die

☑ A way to win

☑ Collect permanent health increases (in test placements)

☑ Collect health restoration powerups

☑ Fight a couple of enemy types. Some should take multiple hits.

☑ Title screen

☑ Game over screen with results (time, enemies killed, score etc)

☑ Parallax scrolling background

☑ Animated tiles (waterfall)

☐ Ability to look up and down

☐ Crouch

☐ Display a message when powerups are collected

☐ Sword

☐ Ninja vision

☐ Dark area that requires ninja vision

☐ Some kind of boss battle (locked room, can't exit until victory)

☐ Get the double jump powerup from a boss

☑ Multiple areas that can be jumped between (e.g. Metroid zones)

☑ Switches that need punching to do something

☑ Blocks that can be smashed to reveal tunnels

☑ The mighty shuriken

☑ Puzzles that use it (switches that need hitting)

☐ More bosses

☐ More enemies

☐ More powerups

☐ More areas

☐ More polish

☐ MORE GAME