When comparing OTTTD vs Tower Madness 2: 3D Defense, the Slant community recommends Tower Madness 2: 3D Defense for most people. In the question“What are the best tower defense games on Android?” Tower Madness 2: 3D Defense is ranked 6th while OTTTD is ranked 9th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Interesting mix of tower defense and real time strategy mechanics
At its core OTTTD is a tower defense game but it has an added mechanic of "heroes". Heroes allow for the layer to use them in ways on maps like one would in an RTS, placing then=m in specific tactical areas to utilize their special skills such as sniping or being a mechanic that fixes towers.
Pro Cloud save and achievements via Google Play Games
It supports Google Play Games features, such as cloud saving and achievements.
Cons
Con Paid upfront and includes in app purchases
OTTTD is a paid upfront game and yet it also includes in app purchases that go as high as $46.90.
Con Not recommended for phones
With so much happening on screen OTTTD is not recommended for phones and their small screens.