Defeat Magmaw, World 1’s final boss at Stage 69, then return to the main hub and enter the World 2 portal.
Your route to World 2 in +1 Gun Forge runs through Lava Core, the final sector. This guide covers its suggested power, the progression to Magmaw and the portal into the next world.
What power is suggested for Lava Core in +1 Gun Forge?
| Stage | Suggested power |
|---|---|
| Stage 62 | 480T |
| Stage 63 | 650T |
| Stage 65 | 1.2Qa |
| Stage 66 | 1.6Qa |
| Stage 67 | 2.2Qa |
| Stage 69 Boss Fight | 3.9Qa |
Lava Core displays suggested power for these stages.
How to unlock World 2 in +1 Gun Forge
Find the purple Teleporter
Walk over to the purple Teleporter in the base hub.

Teleport to Lava Core
Open Teleport, select Stage 61 Lava Core and press Go! to reach the final sector.

Clear the stages leading to Magmaw
Defeat the enemies in Stage 62, then clear the wave beyond the entrance labeled STAGE 63. Continue through stages 64, 65, 66, 67 and 68, defeating their enemies. Clearing each of those stages unlocks that stage. Keep progressing until you reach the room identified as Boss Fight STAGE 69.

Defeat Magmaw
Eliminate Magmaw in Stage 69. The WORLD 2 UNLOCKED! notification confirms that the next world is accessible.

Collect your loot and leave
Use E Collect to pick up any dropped Tower Ticket and Riftglass. After collecting your loot, step inside the blue exit circle and use E Leave to return to the base hub.

Enter the World 2 portal
Back in the main hub, approach the large glowing spiral portal to World 2 and press E to enter.

Let World 2 finish loading
Wait for the World 2 loading screen to finish. You’ll arrive in the World 2 hub, ready to continue playing.

Collect boss loot before leaving. Magmaw drops a +1 Tower Ticket reward, and Starweave can also appear among the loot.

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