These are the games that built PC gaming, and every one of them plays in a browser tab without a download. Doom, Wolfenstein 3D, Commander Keen, Duke Nukem, Raptor, Death Rally.
All of them are shareware releases. Shareware was a distribution model where the publisher explicitly allowed you to copy the game and pass it to your friends, which is why these can be played free while the full commercial versions of the same games could not. Each title runs through the Internet Archive's in-browser DOS emulator, so the game files are served by the Archive and nothing is installed on your machine.
The first episode of the series that proved PC platformers could match a console. Smooth scrolling on hardware that was never meant to do it.
Play in browser →Widely held to be the best Keen. Bigger levels, better animation, and a world that felt genuinely alive in 1991.
Play in browser →Duke before he was a shooter star. A fast, tight side-scrolling platformer with a jetpack and a lot of attitude.
Play in browser →Mylo the miner, a jetpack, and caves full of crystals. Apogee at the top of their platforming game.
Play in browser →The game that invented the first-person shooter as we know it. Six episodes existed; this is the freely distributable first one.
Play in browser →Wolfenstein 3D's prequel, built on the same engine with a new campaign and a harder bite. Released as shareware.
Play in browser →A green alien with suction-cup hands, bouncing through a cartoon planet. One of Apogee's most charming platformers.
Play in browser →One of the first platformers with a female lead, and a genuinely good one. Jill turns into a bird, a frog and a fish.
Play in browser →A trap-dodging puzzler set in an Aztec temple. Slower and brainier than the usual shareware fare.
Play in browser →The shareware episode that changed PC gaming. One episode, nine levels, and the reason a generation of offices needed network cards.
Play in browser →Wolfenstein 3D's engine with a sci-fi spy setting, secret walls everywhere and a lot more colour than its ancestor.
Play in browser →The sequel that went big on presentation, with cinematic cutscenes and four full episodes. This is the freely distributable one.
Play in browser →A boy with a slingshot, a graveyard full of monsters, and some of the best pixel art Apogee ever shipped.
Play in browser →Apogee released this one as freeware outright. A muscular commando, mutant-infested streets, and a genuinely good platformer underneath.
Play in browser →Later renamed Alien Carnage. A jetpack, a flamethrower and an alien invasion, from the studio that dominated shareware platformers.
Play in browser →Ball physics that still hold up, and tables with real character. Built by the studio that later made Warframe.
Play in browser →Epic's answer to Commander Keen: big colourful levels, a boomerang, and some of the best pixel art of the shareware era.
Play in browser →Doom's engine turned into dark fantasy, with an inventory, flying enemies and a wand that turns people into chickens.
Play in browser →The best-selling shareware shooter of its era. A shop between levels, upgradeable weapons, and relentless waves.
Play in browser →A wizard's apprentice collecting crystals across four worlds. Sharp, fast and far prettier than most of its rivals.
Play in browser →Giant robots fighting in tournaments, with a career mode and upgradeable machines. The shareware fighting game that beat the arcade ports.
Play in browser →A squirrel on a rescue mission. Bright, breezy and exactly the sort of thing that filled a shareware shelf in 1995.
Play in browser →The most over-the-top shooter of its era. Rocket jumping, drunk missiles and an unreasonable number of explosions.
Play in browser →Full 3D flight through mines, with no up and no down. Still disorienting, still brilliant, and nothing else feels like it.
Play in browser →A vertical shooter with a shop, dozens of weapons and a proper story. Widely called the best of its kind on PC.
Play in browser →The shareware episode that made Build engine shooters famous. Interactive everything, and a hero who would not shut up.
Play in browser →Top-down combat racing with guns bolted to the cars. Remedy's first game, and the foundation they built a studio on.
Play in browser →Duke Nukem 3D's engine with swords, a katana and a very 1997 sense of humour. The shareware episode.
Play in browser →The free classics page covers open-source and officially released games from later eras, including several you can play in a browser.