Greg Koeser has been designing games for 15 years. Keep up with his latest designs on

For examples of custom card decks and games, see

Nursery Rhyme Games:

Prototype games:

Bid War – a deck trimming bidding war game. All players start with the same deck of cards, but can you optimize your deck to win the bids.

Walk the Dog – A tile-based neighborhood game where you mark your territory as a dog marks territory, and strategically place your doggy-doo to block other’s path

Why Cry – a baby deduction training game to help identify the potential causes for a crying baby

Cyborg Poker – a game where you can invest your winnings to upgrade your poker hand abilities (see/hold additional cards, steal opponent cards, or generate chips by not being bankrupted)