game #22
Hint 1: Tactical turn-based RPG on a hexgrid.
Hint 2: Level-up into an advanced class.
Hint 3: Fight with knights, mages, elves, thieves or ... merfolk?
Hint 4: Sprites for the units on the map and comic-graphics for overlayed people in conversations.
Hint 5: Currently way more than 10 official single-player campaigns and much more as user-generated content.
Hint 6: Heir to the Throne, A Tale of Two Brothers, The Hammer of Thursagan or Under Burning Suns? Which do you want to play?
game #21
Hint 1: Oh no! They can mind-control my troops!
Hint 2: The door is to well-guarded? Blow a new entry into the wall.
Hint 3: If the enemies make too much terror-attacks, the countries that are funding my troops will reduce their payment or even make a contract with the enemy.
Hint 4: There are a lot of alien races attacking earth together.
Hint 5: Elirium 115
game #20
Hint 1: If I would've played this game, this should be not lower on the list than #20.
Hint 2: Sword-fighting obviously is won by best banter.
Guessed by Liquid_Laser: The Secret of Monkey Island.
game #19
Hint 1: The rebels of the dawn brigade are lead by the silver-haired girl.
Guessed by Liquid_Laser: Fire Emblem: Radiant Dawn.
game #18
Hint 1: You have three days.