
Jesse Hernandez
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This is a lot better than the first game. The performance is better, the upgrade system is way better, and the game itself is better. That said, the graphics upgrades for the game itself are a disappointment. The game is easier to play without upgrading any of the graphics options (besides the menu graphics), and I have no idea why that decision was made. Edit: Enemy visibility should get better with graphics upgrades, instead it gets worse - enemies get smaller and harder to see.
8 people found this review helpful
Thank you for your vote and feedback! You have Upgrade the game 3 available and Upgrade the game 4 for pre-registration! Could you please give me more information about why do you think that is easier to play without upgrading? That will help me to make better games!

A Google user
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I love the concept. Naturally, being a free game, I suspected deliberately bad balancing. Indeed, the game offers optional video ads for more money, and without extra money, the game can become tedious due to the similar levels. The game's initially low quality graphics and sound are fine because they have been turned into features. However, the game has some spelling and grammar errors, and many of the Google Play Games achievements won't synchronise properly. Neither the "kill 300 enemies" achievements nor the laser achievements unlock in Google Play, and some achievements reset when time travelling, while others do not. One achievement is glitched for me even outside of Google Play, saying I have completed 114/100 levels, even though I have passed at least level 160. Unfortunately, even though I've unlocked everything, I don't have most of the Google Games achievements.
11 people found this review helpful
I apologize for the inconvenience. The achievements should synchronize if you upgrade the achievement menu and hit synchronize

A Google user
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This game does get repetitive after a while but it's still really fun. My only complaint is that this is the maybe second or third update that claims to fix Google play achievements not syncing properly, but it still doesn't. really frustrating to put in months to not have a feature still work. *edit @suduck only 12 achievements properly log for me, and I've actually completed all but two of them. The only one that logged correctly since the previous update is "upgrade everything".
1 person found this review helpful
I apologize for the incovenience. This game have an very old techology that is difficult to implement with the new one. Is any specific achievement that is not working for you?