In Sol’s RNG, biomes change the environment and gameplay while giving you access to exclusive auras and items. These events appear randomly, and each one has its own spawn chance, duration, and loot pool. If you’re aiming to collect rare auras, knowing the details of every biome is essential. Here’s the full list of all 8 biomes currently in Sol’s RNG and what you can get from each one.
1. Normal Biome
- Spawn Chance: Default
- Duration: Permanent until another biome appears
- Auras: None (no exclusive auras tied to this biome)
- Items: None
This is the standard grassy map with day and night cycles. It’s where you’ll always return once special biomes end.
2. Sand Storm Biome
- Spawn Chance: 1/3,000 per second (~0.033%)
- Duration: 11 minutes
- Item: Hour Glass (usable as Grail offering)
Auras:
- Gilded – 1/128
- Jackpot – 1/194
- Anubis – 1/1,800,000
- Atlas – 1/90,000,000
The desert winds reduce visibility, turning the environment yellow and dusty.
3. Hell Biome
- Spawn Chance: 1/6,666 per second (~0.015%)
- Duration: 11 minutes
- Item: Eternal Flame (for Grail or Strange Controller crafting)
Auras:
- Undead – 1/2,000
- Undead: Devil – 1/111,111
- Hades – 1/1,111,111
- Bloodlust – 1/50,000,000
The world becomes a fiery wasteland with lava lakes and glowing red skies.
4. Starfall Biome
- Spawn Chance: 1/7,500 per second (~0.013%)
- Duration: 10 minutes
- Item: Piece of Star (for Grail or Strange Controller)
Auras:
- Starlight – 1/10,000
- Star Rider – 1/10,000
- Comet – 1/24,000
- Astral – 1/267,200
- Galaxy – 1/1,000,000
- Stargazer – 1/1,840,000
- Starscourge – 1/2,000,000
- Sirius – 1/2,800,000
- Starscourge: Radiant – 1/20,000,000
- Astral: Zodiac – 1/53,400,000
- Gargantua – 1/86,000,000
- Starfish Rider (Limited Aura) – 1/25,000
A beautiful night biome filled with falling stars and dark-blue scenery.
5. Corruption Biome
- Spawn Chance: 1/9,000 per second (~0.011%)
- Duration: 11 minutes
- Item: Curruptaine (Grail offering – boosts Luck & Roll Speed)
Auras:
- Hazard – 1/1,400
- Corrosive – 1/2,400
- Hazard: Rays – 1/14,000
- Parasite – 1/600,000
- Impeached – 1/40,000,000
The map becomes a purple wasteland with toxic water, fog, and particles.
6. Null Biome
- Spawn Chance: 1/10,100 per second (~0.0075%)
- Duration: 1 minute 39 seconds
- Item: Null (for Grail or Strange Controller)
Auras:
- Undefined – 1/1,111
- Nihility – 1/9,000
- Defined (Limited Aura) – 1/2,222
A gray, misty biome with reduced visibility, giving a mysterious atmosphere.
7. Dreamspace Biome
- Spawn Chance: 1/5,000,000 per second (~0.00002%)
- Duration: 2 minutes 8 seconds
- Item: Heavenly Potion (3% chance to spawn every 10s)
Auras:
- Pink Star – 1/100
- Two Pink Stars – 1/1,000
- Three Pink Stars – 1/10,000
- Dreammetric – 1/520,000,000
Everything turns pink with floating furniture and mist, creating a surreal dreamlike vibe.
8. Glitched Biome
- Spawn Chance: 1/30,000 per second (~0.0033%)
- Duration: 2 minutes 44 seconds
- Item: None (unique biome effect instead)
- Special Effect: Corrupted GUI visuals + unlocks the “???” achievement
Auras:
- Fault – 1/3,000
- Glitch – 1/12,210
- Oppression – 1/220,000,000
The rarest biome, turning the world into darkness with glitchy leaves and broken skies.
Biomes in Sol’s RNG aren’t just cosmetic — they’re the gateway to rarest auras and progression items. From the fiery Hell biome to the pink Dreamspace or ultra-rare Glitched biome, each has its own set of rewards. Since they spawn randomly, staying alert and rolling quickly is key to maximizing your chances.
If you’re chasing the rarest drops like Dreammetric or Atlas, you’ll need patience and luck. Keep an eye on chat notifications, and be ready to roll when the next biome appears.