Some ideas for new challenges?
Machmaking daily challenges:
spread
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complete N matchmaking game with a positive spread (easy)
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complete N matchmaking game with a +10 or better spread (hard)
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complete N matchmaking game making the best spread in your team (easy)
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complete N matchmaking game making the best spread in the lobby. (hard)
Ratio:
- complete N matchmaking game with a 1.00 ratio (easy)
- complete N matchmaking game with a 1.50 or better ratio (hard)
deaths
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complete N matchmaking game with at most 12 deaths (easy)
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complete N matchmaking game with at most 5 deaths(hard)
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complete N matchmaking game with less deaths in your team (easy)
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complete N matchmaking game with less deaths in the lobby (Hard)
kills
- complete N matchmaking game making more kills in your team(easy)
- complete N matchmaking game making more kills in the lobby(hard)
abilities:
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kill 15 players with invisibility in machmaking multiplayer (easy)
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kill 5 players with invisibility in a machmaking game (hard)
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kill 20 players after armor lock defense in machmaking multiplayer (easy)
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kill 7 players after armor lock defense in a machmaking game (hard)
quit
Don’t quit any game today in machmaking multiplayer 
Machmaking Weekly challenges:
- earn 50 triple kills
- earn 15 overkill
- complete N matchmaking game with a positive spread
- complete N matchmaking game making more kills in your team
- complete N matchmaking game with less deaths in your team
- complete N matchmaking game making the best spread in the lobby
- quit at least 5 times this week