When comparing Sentinel 4: Dark Star vs OTTTD, the Slant community recommends Sentinel 4: Dark Star for most people. In the question“What are the best tower defense games on Android?” Sentinel 4: Dark Star is ranked 7th while OTTTD is ranked 9th. The most important reason people chose Sentinel 4: Dark Star is:
There are 26 different maps to play on in game giving the player a lot to experience.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Lots of maps to play on
There are 26 different maps to play on in game giving the player a lot to experience.
Pro Great looking 2D graphics
The 2D graphics for Sentinel 4: Dark Star is nicely designed.
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 Contains in app purchases
For what is an already up-front paid app, it is disheartening to see in app purchases that range from $1.99 - $46.54 per item.
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.