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WYRMHOLE

Game BoyShooterGame jamExternal

WYRMHOLE

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    Overview

    WYRMHOLE is a fast-paced tunnel shooter for the Game Boy. You fly around the edge of a wormhole, moving left and right along the ring, shooting at the enemies that pour out of its centre, and teleporting through the middle to the opposite side when things get crowded.

    It was originally created in 7 days for the Game Boy Showdown 2022 jam, written in a mixture of C and assembly using GBSDK. Music and sound effects are by Coffee Bat, the font is WitchFont8 by Lavenfurr, the ship and enemy art comes from Mumu's Old School Shooter Set, and the wormhole itself was converted from an image by AlexAntropov86.

    Made by
    quinnp
    Released
    2022

    Controls guide

    Playing

    Button and keyAction
    Left/RightFly around the edge of the wormhole (hold to keep moving)
    AXFire toward the centre (up to three shots at once)
    BZTeleport through the centre to the opposite side
    StartEnterPause and unpause

    Title and game over

    Button and keyAction
    StartEnterStart the game from the title screen
    StartEnterRetry after game over

    Cheatsheet

    Enemies

    Obstacle
    Flies straight out, speeding up; cannot be destroyed and soaks up shots
    Basic (5)
    Flies to the edge, drifts along it for about 10 seconds, then leaves
    Spiral (10)
    Curves outward, then drifts along the edge
    Shooter (15)
    Stops partway out and circles, firing outward at you
    Special (100)
    Whirls around an inner circle for about 5 seconds, pauses, then darts off

    Pacing (from the start of a run)

    0 to 17 s
    Obstacles, spirals and basics only
    17 to 34 s
    Shooters and specials start to appear
    34 to 43 s
    A sudden burst of enemies
    43 to 47 s
    A short reward wave with many specials
    47 s on
    Spawns speed up in steps, then stay at full speed from about 2 minutes 17 seconds

    Tips

    1. Teleporting turns off your hitbox for the whole trip through the centre, so B doubles as a dodge when an enemy or shot is about to reach you.
    2. Obstacles cannot be killed and eat your bullets. Shoot past them or move aside instead of wasting your three-shot limit on them.
    3. Basic and spiral enemies end up drifting along your ring, where touching them kills you. Clear them early, while they are still small and on the way out.
    4. Hold on through the burst at about 34 seconds: right after it comes a short wave full of 100-point specials, worth as much as twenty basic enemies.
    5. Enemies grow larger and get bigger hitboxes as they fly outward, so they are hardest to hit near the centre and hardest to avoid near the edge.