Defender Chronicles - Legend of The Desert King try demo is one of my favorite tower defense games on the iphone. The artwork is stunning and gorgeous. It is no walk in the park either you really must develop strategies for each map which are crucial if you stand a chance at passing a level. Enemies come from the bottom or sometimes from the top depending on which of the five maps your on. Has five difficulty levels to choice from and unlockable content so you can upgrade you heroe or defensive units.

ElementalMonster TD is one of my favorite ones has a ton of depth. Pretty hard like geoDefense is. 50 cards C - Common, U - Uncommon, R - Rare, and L - Legend. Can only have one Legend in your deck though. ElementalMonstersTD has 5 maps with 50 waves on each map (at least in phase 1 that is). Each map has 3 phases so you need to complete phase 1 on each map to advance to phase 2. Also has a Time Attack Mode and you can compete globally with high scores. Can keep 6 decks (deck consists of five cards). Each card has full screen illustration.

FieldRunners a game that has three maps and is one of the best games out for iPhone now. Polished animation to the max, fluid gameplay, extremely intuitive. First night I got it played for about 4 hours or so. Upgrade towers twice just by clicking on them. Place towers has snap to grid. FieldRunners will always be one wave at a time. The iPhone no way in heaven can handle multiple waves at same time.

Two flash online games I like are: Desktop Defense and Onslaught 2.2 has great combos. Here is screenshot of me playing Onslaught. Notice the insane CPU usage of my iMac.

geoDefense try demo has 30 levels (easy, medium, hard). Placement of towers is absolutely critical to pass levels successfully. Vector graphics similiar to iTD but with more firework explosions. Awesome robotic voice annoucements really makes you feel like you've stepped into the 80's.

geoDefense Swarm has 30 levels and is open path. Awesome seqeul to geoDefense maintaining the beautiful vector graphics as it's predecessor.

iTD try demo is an awesome tower defense game for the iphone with simple but polished graphics. Enemies circle = extra defense, star = extra speed, diamond = none. Towers do 50% more damage to enemies the same color as the tower. Two upgrade paths exists for each of the four towers available. 9 different maps. Has endless mode too. Has Japanese language support too.

Sentinel 2 Earth defense adds huge ship weapons to manually call down upon namely Homing Missiles, Attack Drone, Time Warp, Orbital Laser. It has barriers you must defend and once they break through that you must defend your base. Robot Drones, can buy up to 3 of them, mine resources and give you $20 upon collection. Drones also repair your barriers and base and can buy Drones to harvest energy for your ship weapons.

The Creeps! try demo is cartoonish like fieldrunners and has great gameplay. Paths are already set. In later levels it has spider, UFO, oil which you control by tilting. Has objects in way which you can clear to place towers in ideal spots. Has five levels and each of the five levels you can play in endless mode if you wish.

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