Subterra ️

Subterra is a 2.5D mining and survival RPG on Roblox developed by Polyworks Studio where players dig through a procedurally generated underground world, upgrading their pickaxe, crafting weapons, and descending through increasingly hostile layers. Launched in March 2024 and still in active beta, it combines the satisfying loop of incremental miners with roguelite-style Ability Cards and boss encounters. With a 93.8% approval rating on over 40,000 votes and 6.6 million visits, it ranks among the highest-rated games in the mining genre.

The core loop puts a pickaxe in your hands and sends you downward. Mine ores from the procedurally generated walls to upgrade your pickaxe, which lets you dig faster and break through tougher blocks to access deeper layers. As you descend, monsters appear and require Crafted Weapons assembled from rare recipes and materials found underground. Ability Cards build out your character loadout for combat, offering a roguelite layer of customization on top of the mining loop. Depth milestones unlock Boss and Mini-Boss encounters that gate access to the next tier of content:

• ⛏️ Pickaxe Upgrades - ore-funded improvements that increase dig speed and unlock new depth zones
• 💎 Ores - type and rarity vary by depth; the core resource feeding all other systems
• ⚔️ Crafted Weapons - assembled from rare recipes; essential for surviving monster-filled layers
• 🗺️ Ability Cards - equippable character modifiers that define your combat and survival build
• 💼 Bosses - major encounters at depth milestones gating progression to the next layer tier

Backpack size limits how much ore you can carry before returning to sell, making inventory management a meaningful decision on deep dives. The Bottomless Backpack pass removes this constraint entirely, and the Sell Anywhere pass lets you sell without surfacing - both significant quality-of-life upgrades for serious miners. The badge ladder spans 17 milestones from first join through "Depths' Champion," documenting every stage of the descent.

Subterra sits in the same underground-exploration niche as Terraria and Minecraft-inspired Roblox games, but its 2.5D format and layered roguelite card system give it a distinct identity within that space.