---

All answers having "Popular card game" as clue:

3 Character Answers:

---

GIN

UNO



4 Character Answers:

---

SKAT



5 Character Answers:

---

PITCH

POKER



6 Character Answers:

---

HEARTS

SPADES



7 Character Answers:

---

CANASTA



8 Character Answers:

---

CRIBBAGE



10 Character Answers:

---

GOLDENGATE



11 Character Answers:

---

CRAZYEIGHTS



13 Character Answers:

---

FIVEHUNDREDMY