Most Funny

Randomized
Replication
Two Heroes, One Controller
Shrinking Playfield
The Other Side

Helpful But Harmful

Too many games have core elements that exist solely to help you. It could potentially be much more interesting to make a game based around a mechanic or object that helps you progress but is also dangerous to you in some way.
Inspiring words written by the original submitter
Helpful But Harmful is the theme for the 26th gm(48)

The community finds the theme for the 26th gm(48) through two rounds:

  1. The first round, which runs from 7th April to 14th April, you can suggest up to 3 themes as well as vote for any theme.
  2. The second round, which runs from 14th April to 21st April, you can't suggest any themes, and you can only vote for the 10 themes selected from the 6 best themes, 2 funniest and 2 most controversial of the first round.

To help organize the rounds and encourage discussion, there will be a stickied post on /r/GameMaker for each of the rounds. The theme for the 26th gm(48) will be announced on this page, the home page, /r/GameMaker and Twitter (via @tehwave ) when the game jam starts.

The previous gm(48) themes were Castles, Parallel Worlds, Create, Lost, Colorless, Permadeath, Evolution, Minimal, One Minute, Guns that don't shoot Bullets, Stealth, You are the Enemy, Death is Useful, Top Down _____., Endless, Environment as a Weapon, Escape, Space, Only One Level, Risk & Reward, One Health, Descend, Sacrifice, One Shot, One Tool, Many Uses, Helpful But Harmful, Countdown and Companion.

gm(48) 1st Theme – 1st Round 2nd Theme – 2nd Round Starts Ends Results
26th Apr 7 Apr 7, 2018 Apr 14 Apr 14, 2018 Apr 21 Apr 21, 2018 Apr 23 Apr 23, 2018 May 7 May 7, 2018
The scheduled time for start and end is 00:00 GMT±0. The dates are subject to change. The countdown timers are not synchronized, and may be inaccurate.

Most Controversial

Going Up
Time
Old concept, new use.
Being evil is easier
Invasion