Fifteen Great Boardgame Stocking Stuffers in 2021, on Amazon.com under $15/each
27Six co-op, six competitive, and three team/party. All under $15/each on amazon and ship by Christmas as of December 12, 2021.
The Games, co-ops:
Cahoots ($15): 2-4player; card play goal completion
The Crew ($11): 3-5 player; trick taking campaign
The Mind ($12): 2-4 player; unique free form timing
Hanabi ($9): 2-5 player; unique card play with inverse hands
Exit the Game ($15): Any number; puzzle solving story
Echoes Dancer ($10): Any number; unique audio mystery
The games, competitive:
Fox in Forest ($12): 2-player trick taking
Stick Em ($15): 3-6 player trick taking
No Thanks ($12): 3-5 bidding
Welcome to the Dungeon ($14): 2-4 player push your luck
Sushi Go ($8): 2-5 player card drafting and set collection
Spot It ($8): 2-8 player speed image matching for kids
The games, party/team:
Codenames ($12): 2-8+ in two teams; word clues
Say Anything Anniversary ($12): 3-8 players; bet on best match
Times Up ($15): 3+ in two teams; modern password + charades
More links:
Codenames Duet Play on Paper download: https://boardgamegeek.com/filepage/154255/codenames-duet-play-paper