Progression
Progression and Crates
Guides document crate purchasing options, pity mechanics, currency farming routes, and unit Index management.
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All Guides

Crates Guide: Types, Pity, and Costs
Periastron Tower Defense crates let you unlock towers using coins and shards. Learn crate types, pull rates, pity mechanics, and VIP discounts.

Unlock Units: Crates and Cards Guide
Periastron Tower Defense unlock units guide explains how to get crates with coins, complete contracts, and roll cards like Bonfire and Frostion.
Videos
Quick Answers
Progression FAQ
Which crates count toward Cosmic pity in Periastron Tower Defense?
The Crate of Nature and Fragmented Crates build progress toward Cosmic and Legendary pity counters. Read the guide
How can you get discounts on crates in Periastron Tower Defense?
The VIP game pass grants a permanent 20% discount on all box purchases in the lobby shop. Read the guide
What is the purpose of the in-game Index in Periastron Tower Defense?
The Index catalogs every discovered unit, card, and enemy variant while displaying their 3D models and collection status. Read the guide









