Top 30 groups.

Media: DownloadFull game legally distributed as digital download.1982 / 202114337 games
ScorePlayer is given a score on their performance. Often an integral part of gameplay, such as the main goal.1971 / 202213072 games
Proprietary licenseDistributed under a license that witholds and/or restricts source code & rights granted by law, usually for commercial purposes & is almost always unique per game1970 / 202112809 games
CommercialA notably commercial product despite copyrights (or lack thereof) and/or licensing agreements (or lack thereof) that many perceive as incompatible with commercial sales.1970 / 202111896 games
Available on SteamAvailable on the digital distribution (and by extension social networking service) by Valve.1987 / 20218414 games
Extra livesPlayer character has multiple "lives", that are basically how many tries a player has before a Game Over.1975 / 20227592 games
Ubuntu LinuxComes with/Installs very simply on Ubuntu.1991 / 20217095 games
IndieDeveloped without financial backing from large companies or non-private investors. Shares similar design philosophies as art games, but on gameplay rather than artistic value. Often self-published as well.1983 / 20215627 games
Planet EarthAll or part of the story takes place on Earth of the Sol star system.1970 / 20215297 games
Available on Itch.io1983 / 20214922 games
Media: 5¼ inch floppy diskComes on one or more 5¼ inch magnetic floppy disks.1976 / 20224331 games
NaturalisticNot necessarily realistic. Has nothing overtly fantastic, be it magical, paranormal, psychic, mystic, super powers, technomagic, nor magical technology.1970 / 20214177 games
WalkingPlayer can or must move about on foot, regardless of speed.1977 / 20214017 games
KeyboardRequires or supports any type of a keyboard type controller.1970 / 20223696 games
Interactive fictionA type of adventure game where the game world and player input is described using text. Such as "You are in a hallway. There is a key on the floor", ">get key", ">use silver key on door", ">turn valve", ">say hello", etc..1975 / 20213622 games
Console ClassixAvailable to play at Console Classix1977 / 20113513 games
GridUses a grid of any shape or type.1973 / 20213479 games
Word inputPlayer controls the game or part of the game by typing in sometime full or partial sentences that are interpreted as commands. Very often the two word, NOUN VERB, format was used.1972 / 20213402 games
MagicFeatures anything definitely magical or strange mystic powers.1974 / 20213098 games
Emulated on MAMEAn Arcade games emulator available for almost any platform. (clones and bootlegs are merged to the parent)1971 / 20163036 games
MonstersIncludes any kind of creatures with terrifying or otherwise horribly deformed/repulsive (monstrous) appearance, regardless if their personality matches this. Commonly assumed to be mindless savages.1974 / 20213019 games
Female protagonistPlayer controls apparently female character.1974 / 20212922 games (12 characters)
Media: cassette tapeComes on a magnetic audio tape.1976 / 20222768 games
FutureSet in the future, as seen from the point of the game's release.1971 / 20212676 games
UVL maintenance: ConfusableAny games that can be easily confused with another game by same or similar name on same or related platform.1970 / 20212663 games
Rectangular gridUses an ordinary grid of 4 sided convex shapes (rectangles, squares, etc.).1973 / 20212659 games
UVL Maintenance: Generic tie-in tagNeeded when migrating the tie-in game type to tags, now these games have to be tagged more specifically.1976 / 20192625 games
Traditional gameVideo game adaptation of a traditional game. Also when uses real traditional gaming materials.1974 / 20212557 games
Mêlée weaponsPlayer can use non-projectile weapons which require both the user and the target to be in direct contact with them.1979 / 20212551 games
FirearmsPlayer can use projectile weapons that use a controlled explosion to propel a bullet at the intended target.1975 / 20212434 games