Slow & steady kills the (human) race in disease-design app.
Freemium sim both enjoyable and playable without spending.
Adorable sim playable without in-app buys -- with patience.
Worthy spin-off of popular PC game encourages creativity.
Robust building sim doesn't get bogged down in details.
Hidden instructions hamper fun in video-game company sim.
Fun, pretty frog sim could tempt kids to spend real money.
Tweens experience high school in an age-appropriate way.
Riveting, complicated simulation game reflects life.