A Crossover of Ice and Fire

WARNING: INTERFERENCES WITH THE CANONS The A Crossover of Ice and Fire games are fangame concepts of other characters in the Sonic series, all made by Hyperus18.

Disclaimer
I do NOT own Sonic, as it is owned by Sega, and also, I do not own some of the playable characters.

Plot
The player has to go through Sonic 1-3, but instead of following the zones in the set order, he/she/they can choose the order he/she/they plays the zones. PLUS: They get to pick from crossover characters.

Team Flame
Shared Special Attack: Blazing Red Overdrive
 * Akira Kenjou (Alex Kersey) / Cure Chocolat (Glitter Cocoa) (KiraKira PreCure A La Mode/Glitter Force: Ready to Serve!)
 * Akane Hino (Kelsey) / Cure (Glitter/Princess/Warrior) Sunny (Smile PreCure/the original Glitter Force)
 * Garth Bridger / Chronicles Tail Red (Twintailian Chronicles)
 * Rigel Drago / Grid Battleforce Ruby (Power Rangers Grid Battleforce)

Team Frost
Shared Special Attack: Freezing Blue Overdrive
 * Zarya Moonwolf (Mysticons)
 * Liam Jackson / Chronicles Tail Blue (Twintailian Chronicles)
 * Jay Mercado / Grid Battleforce Sapphire Ranger (Power Rangers Grid Battleforce)
 * Aoi Tategami (Ava Myers) / Cure (Glitter) Gelato (KiraKira PreCure A La Mode/Glitter Force: Ready to Serve!)

Team God Mode
Upon completion of the game, you unlock this team and perks. * Some Cures have different names when dubbed!
 * Hyperus the Zeraora (no franchise)
 * Lala Hagoromo (Alexis) / Cure Milky (Glitter Galactic*) (Star Twinkle PreCure/Glitter Force: Galactic Heroines)
 * Sho Raiden / Grid Battleforce Citrine Ranger (Power Rangers Grid Battleforce)
 * Erin Riley / Chronicles Tail Yellow (Twintailian Chronicles)

Team All-Girls
Upon completion with Team God Mode, you unlock this team.
 * Piper Willowbrook (Mysticons)
 * Rie Hikari (Twintailian Chronicles)
 * Elena Amamiya (Elena Starr) / Cure Soleil (Glitter Sol) (Star Twinkle PreCure/Glitter Force: Galactic Heroines)
 * Tiffany Chen / Grid Battleforce Pezzottaite Ranger (Power Rangers Grid Battleforce)

Team All-Boys
* Surnames
 * Shasta Dennis (Twintailian Chronicles)
 * Layton Manning / Grid Battleforce Aquamarine Ranger (Power Rangers Grid Battleforce)
 * Ceylan (Washizaki) Jones / Tributon (Tenkai Knights)
 * Mega Man X (Mega Man X)

ACoIaF 2
Note: New characters are italicized. Veterans don't have their franchises shown.

Team Hyperus

 * Hyperus the Zeraora [leader]
 * Lala Hagoromo (Alexis) / Cure Milky (Glitter Galactic)
 * Akira Kenjou (Alex Kersey) / Cure Chocolat (Glitter Cocoa)
 * Vincent Daniels / Grid Battleforce Navy Ranger (Power Rangers Grid Battleforce)
 * Bass (Mega Man)

Team Garth

 * Garth Bridger [leader]
 * Akane Hino (Kelsey) / Cure (Glitter/Princess/Warrior) Sunny
 * Mack Kimura (The Hidden World of Changers)
 * Piper Willowbrook
 * Guren (Ogami) Nash / BravenWolf

Team X

 * Mega Man X [leader]
 * Zero (Mega Man X)
 * Axl (Mega Man X)
 * Snow (Mega Man X)
 * Omega (Mega Man Zero)

Team Zarya

 * Zarya Moonwolf [leader]
 * Darren Smith (The Hidden World of Changers)
 * Amy Fenway / Grid Battleforce Amethyst Ranger (Power Rangers Grid Battleforce)
 * Guren (Ogami) Nash / BravenWolf (Tenkai Knights)
 * Elena Amamiya (Elena Starr) / Cure Soleil (Glitter Sol)

Team Hyperus

 * Hyperus the Zeraora [leader]
 * Lala Hagoromo (Alexis) / Cure Milky
 * Mack Kimura
 * Rie Hikari
 * Axl
 * Ceylan (Washizaki) Jones / Tributon

Team Akira (Team Alex)

 * Akira Kenjou (Alex Kersey) / Cure Chocolat (Glitter Cocoa) [leader]
 * Layton Manning / Grid Battleforce Aquamarine Ranger
 * Piper Willowbrook
 * Guren (Ogami) Nash / BravenWolf
 * Kasey Whyte / Beast Charge Red Ranger (Power Rangers Beast Charge)
 * Zarya Moonwolf

Gameplay mechanics

 * "Finish It Off, (character)!" The game's equivalent of "Finish Him!" or "Finish Her!" in Mortal Kombat. In order to trigger this, the player has to fight the boss without taking any damage.
 * To finish the boss off, the player has to spam the A button.
 * Only Mega Man-related characters can unlock special weapons.

Trivia

 * My names for post-Smile seasons if they were successors of the original Glitter Force: (All abbreviations are from Pretty Cure wiki, I abbreviated Glitter Force in each season) [Thank you, Chloe (Reika Aoki)]
 * DDPC: GF: Straight Ace [GF: SA]
 * HCPC: GF: Happiness Charge [GF: HC]
 * GPPC: GF: Royal Heiresses [GF: RH]
 * MTPC: GF: World of Magic [GF: WoM]
 * KKPCALM: GF: Ready to Serve! [GF: RtS!]
 * HuPC: GF: Hearts of the Future [GF: HotF]
 * STPC: GF: Galactic Heroines [GF: GH]