Monsters vs Aliens - Similarities

[Mistery]

Identify the similarities in the two different images and click the similar object to get it confirmed. You get 50 points for every click that is correct and lose 25 points for every click that is wrong. Good luck!

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Please use spoilers to give hints:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for 7 days.

[Lilliputt]

What a misleading title There are no similarities between a monster and an alien, so there Cute game though

[Purp]

I don't think there's any similarities between monsters and I did finally get on the top 100 by scoring 2000. I made 81 out of 100 players.