Objective
Move / Swim / DiveWASD, arrows, controller stick/D-pad, or the phone joystick. Swim into water, then press E or Use/Dive to enter the underwater reef layer.
Aim / FireMouse or touch aims. Click, Space, controller A, or Fire shoots. Phone movement uses the joystick so aiming does not fight diving or movement.
InteractE, controller X, or Use opens chests, gates, doors, switches, and hotspots.
CaptureC, controller B, or Catch captures weakened Ergopals in games 2 and 3.
Weapons1–5 select weapons. Q or Weapon cycles. Every weapon is available from the start.
SafetyU or Unstick moves Ergonius to the closest safe tile. B drops bombs. X guards.
Progress loads when the game starts.
Audio Mix
Audio starts safely after the first click/key press for Safari and mobile browsers.
Comfort
Use larger text, stronger contrast, reduced motion, and assist mode for easier phone play.
Display + Controls
Controller: not connected
Gamepad support: left stick/D-pad move, A fires, X interacts, B captures, Y cycles weapon, Start pauses.
Project
Ergonius
Ergonius is the main hero in three polished birthday games with ten playable worlds plus a true outside overworld from the start: ruins, mountains, beach, New Jersey World Cup, NYC, Hamilton NJ, castle, underwater reef, cloud kingdom, birthday starforge, and the Great Ergonius Field hub. Each level has a different layout, objective, art theme, hazards, treasure plan, enemies, and boss/bonus structure.
Hero: Ergonius
Light/Dark Ready
All Levels Open
10 Unique Worlds
Phone + Desktop
Dungeon shooterZelda roomsRicochet twist
1. Ergonius and the Relic Rooms
Fast twin-stick dungeon combat through ten different worlds plus a connected outside overworld. All weapons are available immediately. Clear rooms, open chests, place Spark Bombs, swim, cross hazards, solve gates, and beat unique bosses.
Creature scoutCaptureTreasure map
2. Ergonius: Ergopal Expedition
Explore ten themed maps and the outside overworld, scan wild hotspots, weaken original Ergopals, capture them with Star Orbs, find region-specific treasure, and enter kingdoms through outdoor gates.
Hybrid modeBullet bossesCapture raids
3. Ergonius: Rift Raid Safari
Hybrid adventure: scout rift portals, fight readable bullet-pattern guardians, use bombs and shield timing, capture weakened bosses, then finish the ten-world birthday tour or roam the outside field.
World varietyRuins, mountains, beach, New Jersey World Cup fan fest, NYC rooftops, Hamilton NJ gardens, castle, underwater reef, cloud kingdom, birthday starforge, and a true outside overworld hub.
Player freedomAll levels and weapons are available from the start. Jump to any world, replay any mode, and use Unstick anytime.
Adventure toolsSwim, dash, guard, open chests, press switches, raise bridges, drop Spark Bombs, and capture weakened Ergopals.
Comfort optionsLight/dark theme, readability mode, reduced motion, SFX toggle, quality mode, assist mode, mini-map, and collapsible objectives.
Phone friendly: joystick · Fire · Use/Dive · Catch · Weapon · Carriage
Desktop friendly: WASD/arrows · mouse aim · Space/fire · E/use · C/catch · 1–5 weapons
Birthday ready: quests · build goals · achievements · skin unlocks · leveling · outside overworld