Mods that depend on RarityLib by Root

Adds 48 (+22) new cards to revamp your games.

Card Data Editor is a mod that allows you to edit card properties such as Rarity, Theme, Card Amount, and more.

JARL (Just Another Rounds Library) is a versatile toolkit that introduces a Armor Framework and provides utilities like CustomCardUnity to streamline the creation of custom cards in Unity

Sixty-eight aggressively unbalanced cards, Legendary tier included: Icon of Sin, Atomic Bomb, Black Hole, Tree, Railgun, Xane's Wire Management, Go Blue, Claude's Choice and more. Very balanced. No notes.

A custom card pack for ROUNDS: 45 cards including a 14-card Major Arcana tarot deck that redeals every round, cursor-blink echo movement, class-gated legendaries, a screen-blacking debuff hex, and an unlockable cat bloodline.

Adds a Minecraft based class, made by poppycars

The base mod for poppycars mods, made by poppycars

Adds some more complex cards, made by poppycars

Adds Some Simpler cards, made by poppycars

Adds 3 Classes, made by poppycars

The Characters from CPC

Tired of waiting for friends in Rounds or don't have friends who own the game? The RoundWithBot mod solves this by allowing you to play with AI bots. Simply press 'B' to activate the bot feature and 'R' to ready up, and enjoy Rounds anytime!

This mod adds 198 new cards (121 hidden) and unique mechanics to the game.

The library core of 'AALUND13 Cards'

Death Note + Overclock (1% x2 effects) + Damnation (0.5% forced hand, x2 debuffs).

220 stackable ROUNDS cards for long games: strong character-driven stats and tradeoffs, 19 portrait Legendaries, quadratic mechanics, and unique bounded VFX.

Tracks online stats and shows card win rate, pick rate, and power score in-game. Features ELO rating, XP and leveling, 30+ achievements with notifications, and a web dashboard with player profiles and card analytics.

Isaac themed mod for friends

Rounds: The Gathering — deck building, card deletion, persistent shields, resistance cards, and a pick-phase stats overlay for ROUNDS.

Fair and balanced cards and classes.