I made a list of free Demos available on Itch.io Most of them are native Linux demos or shareware. Action https://blackseaodyssey.itch.io/blacksea-odyssey https://prophetgoddess.itch.io/nullpointer https://moonradish.itch.io/wand-wars https://retream.itch.io/boh https://nihilocrat.itch.io/sky-rogue https://www.hiddendeepgame.com https://badjano.itch.io/miles-infernum (mature) https://powerhoof.itch.io/crawl https://www.moddb.com/games/loot-burn-kill-repeat/downloads/loot-burn-kill-repeat-230-linux https://unsungwarriors.itch.io/unsung-warriors-prologue https://interactivestone.itch.io/gray-dawn https://ansitygames.itch.io/reclaim-earth https://steelraven7.itch.io/ravenfield https://interactivestone.itch.io/gray-dawn (mature) https://raft.itch.io/raft https://muifwego.itch.io/dont-bite-me-bro https://portablelinuxgames.org/game/cold-war https://cs.rin.ru/forum/viewtopic.php?p=1651612#p1651612 (serious sam) Mature https://superdupergc.itch.io/blackice -screen-fullscreen 0 http://www.moddb.com/games/uebergame/downloads/uebergame-1100 http://www.ictiongames.com/mambo/ (mature) https://catalopegames.itch.io/skeletal-dance-party https://www.moddb.com/games/swoooords/downloads/swoooords-131-linux RPG https://www.moddb.com/games/a-post-nuclear-rpg-atom/downloads/atom-rpg-0535-linux https://piratesoftware.itch.io/heartbound http://tthstygian.com/ Adventure https://dare-looks.itch.io/inch-by-inch https://little-red-dog-games.itch.io/deep-sixed https://kotoristudios.itch.io/fugl https://circusatos.itch.io/under-leaves https://erstudios.itch.io/forgiveness https://dvoidis.itch.io/valheim http://www.laserbrainstudios.com/download.php?name=hiddenassetlinux64 https://the-pedestrian.itch.io/the-pedestrian https://studio-oleomingus.itch.io/a-museum-of-dubious-splendors https://alexgoodwin.itch.io/mechanism https://nusan.itch.io/fragments-of-euclid https://ratking.itch.io/tri https://vltmn.itch.io/lieve-oma Other https://rocket-juice.itch.io/neontail https://adamgryu.itch.io/tomato-town https://kreediddy.itch.io/stones-throw https://gordgames.itch.io/starfighter https://jcvsmc.itch.io/loop https://demonixis.itch.io/mars-extraction https://www.indiedb.com/games/gerty/downloads/gerty-demo-v1736-for-linux https://studiobesus.itch.io/firewing64 https://phaethongames.itch.io/terrafarming https://denki.itch.io/autonauts https://curlscurly.itch.io/shattered https://samuraipunk.itch.io/feather https://farsky-interactive.itch.io/the-free-ones
Which game above are you referring to? Some of them probably have full versions you just have to pay for it.
