How to Unlock All Weapons in Abyssus?

When it comes to mastering Abyssus, one of the most exciting challenges is figuring out how to unlock all weapons in Abyssus. This dark and atmospheric action–adventure game keeps players hooked not only with its intense combat and sprawling underground maps but also with its satisfying weapon progression system. From powerful melee swords to long-range rifles and mystical relics, each weapon in Abyssus brings unique abilities, making your journey through its treacherous dungeons more thrilling. Knowing how to unlock all weapons in Abyssus is essential for anyone wanting to maximize their combat potential, explore hidden mechanics, and gain an edge against tougher monsters. In this guide, we’ll break down everything you need to know about obtaining every weapon type, whether through exploration, boss battles, quests, or secret achievements. This article will help you become fully armed and ready for anything that Abyssus throws your way.

Shotgun – The Bursting Weapon

• Location: Act 1, Stage 2 (Depth 2)
• How to Unlock: Defeat the miniboss at the end of this stage in the abandoned temple. This will grant you access to the Shotgun.

Tesla Gun – The Electrical Weapon

• Location: Act 2, Stage 2 (Depth 6)
• How to Unlock: Defeat the elite miniboss at the end of the gardens stage to obtain the Tesla Gun.

Brine Revolver – The Scoped Weapon

• Location: Pregame Lobby
• How to Unlock: Found immediately to the left of the workbench in the lobby area. No combat is required to acquire this weapon.

Disc Thrower – The Sharp Weapon

• Location: Act 2, Stage 4 (Depth 8)
• How to Unlock: After defeating the stage boss, access a locked red-door room. To open it, destroy four hidden crystals scattered around the room. The order is not important.
  • Crystal 1: Left of the door past a green grate.
  • Crystal 2: In an upper grate nearby.
  • Crystal 3: Right side of the small pond.
  • Crystal 4: Inside the vertical grate near the exit tunnel.
    Once all crystals are destroyed, the door opens to reveal the Disc Thrower.

Combat Bow – The Precise Weapon

• Location: Act 3, Stage 2 (Depth 10)
• How to Unlock: Quickly defeat the elite miniboss in the sanctuary. Defeating the miniboss within approximately 90-120 seconds makes a mural vanish, granting access to the Combat Bow.

Plasma Launcher – The Blazing Weapon

• Location: Act 4, Stage 1 (Start Area)
• How to Unlock: Complete the run in under about 40 minutes. At the beginning of the stage, before dropping down, turn around and use a jump → dash → jump sequence to cross a gap and reach the Plasma Launcher room.

Fish Deity – The Aquatic Weapon

• Location: Pregame Lobby (Hidden Room)
• How to Unlock: Defeat all three miniboss variants in Act 4, Stage 1 (one appears randomly per run). Then access a secret pond behind a waterfall in the lobby. Interact with the glowing wall, wait for statues to activate and fill the pond. The Fish Deity will appear swimming in the fountain, granting you this weapon.

Tips for Unlocking Weapons

• Many weapons require defeating specific minibosses or achieving time limits, so planning and speed are essential.
• Environmental puzzles like destroying crystals or activating fountains are needed for some weapons.
• Knowing weapon locations helps you prioritize your runs for maximum efficiency.