Pokémon Tower Defense

Pokémon plus Tower Defense gives you this.

Pokémon Tower Defense is a fangame by Sam and Dan that turns the mons into Towers and Creeps. The objective is simple, prevent the Mons (creeps) from stealing candy. To do this, you the trainer must place your Mons (towers) in places where they will attack the incoming creeps and prevent them from stealing the candy and running away with it.

The gameplay mixes the best of the two genres. Like in Pokemon, you can catch Mons with Pokeballs and then use those Mons as towers. The story on the other hand, if it was written on fanfiction.net, would have all the signs of a Crack Fic.

The game can be played in several locations but the best place to play it is on Sam and Dan's blog.

Please spoiler mark all tropes that involve Story Mode. We don't want to spoil some parts of the game.

Tropes used in Pokémon Tower Defense include:

Big Damn Heroes: At the end of the first level, Oak's Lab, Gary Oak arrives with his Blastoise to fend off the horde of incoming Rattata.
Boss in Mook Clothing: The Boss units, especially those which are fast and hard to defeat (Cerulean Gym's Starmie, for example).
Captain Ersatz: Maruto is totally not another character from another anime. Believe it!
Creator Cameo: Sam Otero appears in the first level of Chapter 5, Rocket Hideout.
Did You Just Punch Out Cthulhu?: The second Cerulean Gym level has two of your Pokémon vs. Misty's KYOGRE.
Dungeon Bypass: Some creeps will guard themselves with Protect as they run/fly/swim by your towers, like the Goldeen and Shellder in Cerulean Gym, Picnicker Ariana's Gyarados in Rock Tunnel and a few Persian in Lavender Town.
Metal Slime: You have a really tiny chance of finding Pikachu in Viridian Forest, Abra on Route 5, Eevee on Route 8, and catchable Cubone in Poké Tower 1 (for Eevee, replace "really tiny" with "infinitesimally microscopic").
- Shiny Pokemon are also present in this game. Thankfully, an alert appears before you face against one. On the brighter side, you can always catch them even when they are at full health!
My Future Self and Me: The two Celebi in Celadon Gym. The good one restores the health of your Pokémon that are on the map every so often; the evil one appears as a near-undefeatable creep.
Name's the Same: Satoshi, the default name for the player, is Ash's name in the Japanese animé.
Not Completely Useless: Remember all those debuff attacks in the original game? Remember how you got rid of them most of the time in favor of offensive attacks? They're back, and they are VERY helpful.
Olympus Mons: Misty's Kyogre, Mewtwo, Mewthree, Entei, Raikou, Suicune, Moltres, Zapdos, Articuno, and Celebi.
Palette Swap: Shiny Pokémon, although it's not just a swap -- shiny Pokémon get double the experience. They can also be caught without being weakened, unlike regular Pokémon.
Schedule Slip: Averted. The game has a small update every weekend.
- Sort of averted. Several of the last updates have run late as complicated new code has to be written, especially the trade center and Rock Tunnel updates.
Show Their Work: Sam is very accurate when it comes to when Pokémon learn new moves and evolve.
Something Completely Different: The challenge stages.