HylexMC

HylexMC runs in offline mode, accepting Minecraft clients without a purchased account, across bed-defence, duelling and survival worlds. That authentication setting defines the audience more than any gamemode does. Skipping account verification opens multiplayer to players who cannot buy the game, which for much of the world is the only practical route in. The structural cost is that usernames stop being cryptographically bound to anyone, so servers of this kind depend on their own registration and password systems to stop identities being claimed by whoever types the name first. Expect to register on arrival, and choose a password you do not reuse elsewhere. The rotation leans competitive. Bed defence places teams on separate islands, each protecting a single block whose destruction ends their ability to respawn, which turns the mode into resource management under time pressure rather than pure combat. Duelling and knockback arenas reduce everything to direct confrontation. Movement courses test precision against a clock. Longer-form worlds sit alongside: heart-stealing survival where kills transfer maximum health, a single-block world where an entire base grows from one endlessly regenerating cube, and conventional survival. The operators describe purchases as conferring no combat advantage. That is a claim worth verifying rather than accepting, but it represents a real design position in a category where paid advantage is close to standard practice. mr.HylexMC.net answers Java clients; br.HylexMC.net on port 19132 handles Bedrock. Versions from 1.8 to 1.21 connect, with the older end mattering most for the fighting modes, and the hardware is located in Europe. Between offline authentication, European hosting and a competitive-weighted rotation, the population this configuration attracts is fairly specific — and if those three things describe what you need, alternatives are not plentiful. Offline-mode servers of any real size are uncommon, and ones maintaining this many separate worlds are rarer still.