Minecraft Java 1.21 Mods
Browse 57 free mods for Minecraft Java 1.21 — popular picks include Breached (Standalone), PVP-PVE Leveling System, OGDuels.
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Breached (Standalone)
Breached is a competitive Minecraft survival mod inspired by Rust, built for players who enjoy looting, PvP, raiding, and base-building. It keeps much of Minecraft’s core survival identity, but adds unique systems that force raiding/basing/PVP.
PVP-PVE Leveling System
Get rewarded when levelup with xp gained from players and mobs

OGDuels
OGDuels is a lightweight, high-performance Duels, FFA, killstreak, bounty, and leaderboard module designed for competitive Minecraft PvP servers.
Player Chat Filter
Player Chat Filter is a lightweight Minecraft mod designed to reduce chat distractions in competitive environments like TierList events and Crystal PvP fights. It allows players to focus by filtering chat and showing only relevant messages.
Time Hunter
Time Hunter is a team PvP survival datapack where players compete by mining resources and eliminating foes to extend their countdown, with elimination on timeout, supporting 2-4 team battles and strategic combat.
Craftlings
Summon fantasy themed mobs and watch them clash in epic free for all battles, or set up full scale wars in custom arenas.
Armor Resistance
A Balanced PvP Oriented Mod That Adds A New Attribute To Netherite Armor!
ProgressionWaveArena
A solo wave-survival arena plugin for Paper servers — fight through endless, scaling mob waves across randomly selected schematic arenas, earn loot and coins, and compete on a persistent leaderboard.
ArneLifesteal
Lifesteal+ is a competitive PvP plugin where players gain hearts by killing others and lose hearts on death. With crafting, revive mechanics, withdraw system, and GUI-based settings, it creates a high-stakes survival experience perfect for SMP servers.
Crazy Damage
Advanced PvP enhancement plugin with damage multipliers, totem limiter, and anti-farming protection for balanced competitive gameplay.
Piece
Piece is a high-performance Minecraft 1.21 RPG combat plugin that transforms your server into a competitive MMO-style PvP experience. It introduces deep progression systems, , bounty hunting, stamina-based combat,
Simple Battlepass
Simple Battlepass for servers that have PVP or anything!
AIWarriror
different AI, PvP, etc. will be added in the next updates.
Fighte Border
Open-world PvP with configurable border duels, item drop protection, and competitive gameplay.
Rift Wars SMP
Team-based PvPvE SMP gameplay with rifts, timed captures, artifacts, instability, and a final breach event.
Pixel Combat
Pixel Combat is a professional, zero-dependency PvP combat plugin built for competitive Paper 1.21 servers.
SIXsBoom
PvE creeper survival arena minigame with custom wave system
oPvP-Toggle
oPvP-Toggle is a lightweight PvP management plugin that allows players to disable PvP combat for added safety. It also includes mob protection, preventing hostile mobs from targeting or damaging protected players.
Vulkans PvPBot
This project adds PvPBots in papermc using no dependencies.
Better Keep Inventory
Keep or drop your inventory when killed by natural sources, mobs or players in PVP (Configurable)
keepinvy
Flexible inventory saving settings upon death - separately for PvP, mobs, fire, void, and other reasons