When comparing Game A Week vs One Game A Month (#1GAM), the Slant community recommends One Game A Month (#1GAM) for most people. In the question“What are the best recurring game jams?” One Game A Month (#1GAM) is ranked 2nd while Game A Week is ranked 7th. The most important reason people chose One Game A Month (#1GAM) is:
The goal of #1GAM is to *release* one game *every* month. The challenge is about maintaining that frequency, so there are no restrictions on any single creation. It doesn't matter when the game was started, how it was made, or even whether it's a computer game: "AAA" industry titles, games made during other jams, clones and ports of existing titles, and physical board and card games are listed among qualifying examples.
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Pros
Pro Flexible Schedule
You don't have to work on your game on any particular day(s), therefore you can work when it fits your schedule best.
Pro Informal Rules
Game A Week is more of practice than a contest, therefor you can apply rules to yourself that enhance your experience and creativity.
Pro Short Time Horizon
Having a quick deadline helps focus your effort and also keep your scope in check.

Pro No rules, only a goal
The goal of #1GAM is to release one game every month. The challenge is about maintaining that frequency, so there are no restrictions on any single creation. It doesn't matter when the game was started, how it was made, or even whether it's a computer game: "AAA" industry titles, games made during other jams, clones and ports of existing titles, and physical board and card games are listed among qualifying examples.

Pro Start any time
Many jams follow a regular schedule, but the actual event is only a few days long. In contrast, #1GAM is continuous and ongoing. Submissions are always accepted, and count toward the current calendar month.

Pro Achievement system rewards personal milestones
For extra encouragement, One Game A Month is a game! Participants are given experience points and publicly-visible achievement awards for individual releases, and for keeping an unbroken release schedule. Leveling up and stocking the virtual trophy case can become additional enticements to stick with the challenge.

Pro Achievements
The game jam itself is a kind of game.

Pro Completely uncommercial
No ads, no email spam.
Cons
Alternative Products
