Shadowgun should be instantly familiar to anyone who has spent time with Epic Games' Gears of War titles. You are John Slade, a mercenary whose mission is to infiltrate a research facility. The plot happily eschews complexity, and that decision makes Shadowgun a decent third-person shooter. Occasional crashes or mishaps aside, this game proves itself to be exactly what it claims: a good shooter with good controls.
Grand Theft Auto: Vice City, $5
Smack ladies. Shoot people. Steal cars. Grand Theft Auto: Vice City is a fantastic port of the PlayStation 2 classic. It takes you on a debauched trip back to the 1980s--a time when (at least in certain quarters) Hawaiian shirts and pompadours were esteemed as signs of good taste. Grand Theft Auto is an open-world game with a character-driven narrative: You're a guy looking to rise to the top of the food chain, and you'll do anything to achieve that status.
It's up to you whether to doggedly pursue your overarching goal, or to let yourself get sidetracked by diversions. (Most players opt for some combination of the two.) However you decide to roll, just remember: It's not a serious chase until helicopters are involved.
Gunman Clive, $2
For a complete change of pace, consider Gunman Clive, a whimsical platformer that has won over many players on the strength of its sepia-toned, hand-drawn art style. Here, you play as Clive, a pistol-slinging hero trying to rescue a damsel from cruel bandits.
Gunman Clive is, in its own way, a 16-level love letter to old-school 16-bit platformers like Mega Man and Metal Slug. The massive, steampunk-flavored bosses and the eclectic collection of stages are two of the game's best features. The game's premise isn't exactly inspired, but the game itself is extremely well executed.
Modern Combat 4: Zero Hour, $7
You don't need to innovate to appeal to a mass audience. The "terrorists versus military" angle might be overdone, but Modern Combat 4: Zero Hour hits all the right notes and has stunning graphics to boot. Modern Combat 4 presents you 12 different missions, each playable at four difficulty levels. It handles well enough, though the inconsistent difficulty and the voice acting may grate on some players' nerves. Play this one if you're looking for a little Call of Duty on the go.
Age of Zombies, $1
A top-down shooter that takes the idea of zombie hordes to its logical extreme, Age of Zombies is a silly excursion through time and space. As Barry Steakfries, you have to negate the damage wrought by a mad scientist who decided that unleashing zombies on the deep past would be a neat idea--and then did it. And before you ask, the answer is yes: There will be zombie T. rexes.
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