Glossary

Hitscan \hit-skan\ noun : an ideal approach of firearm shot where there's no projectile travel  assumedly exists  thus projectile reaches the target completely or nigh immediate after the firing. Also usually the projectile isn't visible. Example: Classic Doom's shotgun, Heretic's Dragon claw.

Iseng \i-seng\ [Indonesia] noun : whim of doing something as respond to overcome one's boredom, seek excitement/fun, or (plainly) be strange

Kusoge\ku\so\ge [Japanese] noun:  garbage/junk/scrap game. Game that's really awful entirely or partially in terms of graphic, programming, story-writing, or presentation. So it can be  very difficult, boring, stupid/dumb, tedious, and/or weird.

Labbing \leb-bing\ verb: Learn the game very deeply. Usually fiddling in practice mode or just play the game over and over again. Typically for honing competitive skill or 1CC (1 continue) run/speedrun.

Tumila\tu-mi-la\[Indonesia] noun : bed bug (Cimex lectularius)