MarcerMercer is the co-host of many different ORGs and is the creator of DOW: The Genius.
| Type | Name | Designer(s) | ORGs | # | Tags | 
|---|---|---|---|---|---|
| MM | A Murder of Crows | MarcerMercer |   | 8 | Battling, Cards, Limited communication, Social deduction, Teams, Voting | 
| MM | Assembly Card Trick | MarcerMercer |   | 17 | Auction, Bidding, Cards, Meme, Words | 
| MM | Bouquets of Whimsy | MarcerMercer |   | 19 | Grid-based, Meme, Piece placement | 
| MM | Chaos Blacktop | MarcerMercer |   | 8 | Psych, Teams | 
| MM | Composer Auction | MarcerMercer |   | 4 | Auction, Bidding, Miscellaneous, Points-based | 
| MM | Elemental Standoff | MarcerMercer |   | 6 | |
| MM | Forced Seat Exchange | MarcerMercer |   | 15 | Circular arrangement, Connect in a row, Meme, Social deduction, Teams | 
| MM | Genius Game 95 | MarcerMercer |   | 10 | Meme | 
| MM | Grunkle Match | MarcerMercer |   | 7 | Auction, Bidding, Garnet Match | 
| MM | Grunkle University | MarcerMercer |   | 13 | Guest, Meme, Miscellaneous, Words | 
| MM | I Got Tired | MarcerMercer |   | 9 | Intel game, Meme, Psych | 
| MM | King of Roulette | MarcerMercer |   | 7 | Points-based, Revolving leadership | 
| MM | Main Match | MarcerMercer |   | 16 | Inductive reasoning, Meme, Points-based, Trick | 
| MM | Oceanic Harvest | MarcerMercer, XNimus |   | 8 | Battling, Glitched Match, Host Info, Luck, Meme | 
| MM | Open, Pass — Heaven and Hell | MarcerMercer |   | 13 | Cards, Equation assembly, Luck, Meme, Semi-live MM, Trick | 
| MM | Picking Nine Possibilities | ItzShaun, MarcerMercer, RedsToad |   | 6 | Cards, Drafting, Quattro-like | 
| MM | The Exodus Game | MarcerMercer |     | 9 | Points-based, Trading | 
| MM | The Goddess' Blessings | MarcerMercer |   | 5 | Extra Info on Discord, Guest, Host Info, Semi-live MM | 
| MM | The Nonary Game | MarcerMercer |   | 18 | Extra Info on Discord, Host Info, Limited communication, Live MM, Miscellaneous, Puzzle | 
| MM | The Universal Turnabout | MarcerMercer |   | 12 | Host Info, Live MM, Miscellaneous | 
| MM | Wild, Wild Paranoia | ItzShaun, MarcerMercer, RedsToad |   | 13 | Battling, Limited communication, Social deduction, Teams | 
| MM | X’s ABCs | MarcerMercer, XNimus |   | 5 | Dilemma, Points-based, Psych, Revolving leadership | 
| DM | Balatro Poker | MarcerMercer |   | 2 | |
| DM | Betting Rock Paper Scissors Sponge | MarcerMercer |   | 2 | Betting, Cards, Meme, Psych, RPS, Social DM, Turn-based | 
| DM | Chessboxing | MarcerMercer |     | 2 | Battling, Chess-like, Dice, Luck, Psych, Simultaneous, Strategy, Turn-based | 
| DM | Color Dominoes | MarcerMercer |   | 2 | Dominoes, Grid-based, Points-based, Psych, Strategy | 
| DM | Crow Hunt | MarcerMercer |   | 2 | Buzzer-based, Grid-based, Observation | 
| DM | Cultivating Flowers | ItzShaun, MarcerMercer |   | 2 | Grid-based, Hex grid, Piece placement, Strategy, Turn-based | 
| DM | Death Match | MarcerMercer |   | 2 | Meme, Turn-based | 
| DM | Doubting Flower Field | MarcerMercer |   | 2 | Bluffing, Grid-based, Meme, Observation, Patterns, Piece placement, Psych, Strategy, Turn-based | 
| DM | Draft Auction Poker | MarcerMercer |   | 2 | Auction, Betting, Cards, Drafting, Poker-like, Psych, Strategy | 
| DM | Enter the Grungeon | MarcerMercer |   | 3 | Battling, Chaos Match, Grid-based, Maze, Memory, Piece movement, Routing, RPG, Simultaneous | 
| DM | Finding Treasure Island | ItzShaun, MarcerMercer |   | 2 | Betting, Cards, Mental, Optimization, Piece movement, Psych, Quattro-like | 
| DM | Guess The Number Marcer is Thinking Game | MarcerMercer |   | 2 | Meme, Trick, Trivia, Turn-based | 
| DM | Heart of the Cards | MarcerMercer |   | 2 | Battling, Cards, Guest, Meme, Turn-based | 
| DM | I Am Still Tired | MarcerMercer |   | 2 | Meme, Miscellaneous | 
| DM | Laser Lawn | MarcerMercer, RedsToad |   | 2 | Hex grid, Nim-like, Observation, Strategy, Turn-based | 
| DM | Math Hap! | MarcerMercer |   | 2 | Hap-like, Mathematics, Mental, Points-based | 
| DM | Passing Lanes | MarcerMercer |   | 2 | Strategy, Turn-based | 
| DM | Tactical Escape | MarcerMercer |   | 2 | Area control, Asymmetric, Connect in a row, Grid-based, Hex grid, Patterns, Piece placement, Psych, Strategy, Turn-based | 
| DM | Turbo Duel | MarcerMercer |   | 2 | Cards, Grid-based, Nim-like, Race, Strategy, Turn-based | 
| DM | Wordle-Tac-Toe | MarcerMercer |   | 2 | Grid-based, Strategy, Tic-Tac-Toe, Turn-based, Words |