I, Zombie

I, Zombie

12 Achievements

1,000

2-3h

Xbox One
Xbox Series
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Speedrunner

Speedrunner

Beat all summer levels with total time lower than 15 minutes

100

13.54%

How to unlock the Speedrunner achievement in I, Zombie - Definitive Guide

This is the best video I could find regarding this. It doesn't show his end time.


The only real tip I can give you is that you don't need 3 stars for each of these levels. You can shave off time by sprinting past things, even if it gets a few zombies killed. As long as you pass the level, the time at the end will count.
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31 Aug 2016 23:41

10 Comments
The comment was far more helpful than the solution.
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By Lavindathar on 05 Dec 2016 10:09
Here here on that ^
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By KINDZ DROCK420 on 15 Mar 2017 08:08
doesn't even have to be lower than 15 minutes.
Got the achievement with 15:00:33.
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By Gerbasgamer on 28 Mar 2017 15:44
Mine didn't unlock immediately after dropping below 15 minutes, but I replayed level 1 and then it popped. Just in case it happens to anyone else!
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By V1p3rs bite on 19 Apr 2017 03:45
The tutorial level counts towards the time as well. When I replayed that, I was able to knock off about 5 seconds. Because I had followed a 3 star guide, I only had to play up to level 5 to unlock.
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By BStringbean on 17 Jun 2017 21:50
Is it just me or does the guy in the video move quicker than I can in my game?
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By Whitey Fisk III on 04 Sep 2017 02:28
To give you an approximate target time for each level, here are the times achieved in the videos:

01 - 6.5
02 - 30.2
03 - 24.1
04 - 22.6
05 - 45.3
06 - 21.6
07 - 41.4
08 - 44.5
09 - 43.5
10 - 25.5
11 - 29.0
12 - 36.4
13 - 18.1
14 - 26.5
15 - 57.2
16 - 77.8
17 - 51.0
18 - 43.6
19 - 62.6
20 - 30.2

21 - 49.66
22 - 48.16
23 - 66.51
24 - 31.98
25 - 32.16
26 - 37.82
27 - 36.15
28 - 54.12
29 - 44.69
30 - 73.18
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By Dyssident on 25 Mar 2020 18:25
Thanks for adding guide target times for each level dissident
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By yossariano on 09 May 2021 10:40
"This video is unavailable"
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By MisterIdjit on 24 Jan 2022 22:45
Just so You understand how this works ..

You will not get a total time until You have played thru ALL of the 20 Summer levels ... You will then have a 'total' time.

From that point You can pick any level and play it over and over ( until You get a time You are happy with ) and every time You beat your 'Personal Best' Your 'Total time' will change accordingly.

I played thru the game ensuring I got ALL 3 stars on each level then played individual levels shaving off time until the 'chievo popped !
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By Hawkes67 on 05 Sep 2016 16:40
View all 10 comments Show less comments

Play through all the summer levels to begin with and try to do them as quickly as possible. When you complete all of the levels, there will be a total time posted at the bottom of the level select screen letting you know your overall time for that run. All you have to do now is go back and play through the missions again and try to get a faster time to bring down the total time to under 15 minutes.

Look for missions that you took more time than others as potential candidates to be done again with better time. Just keep practicing them until you get better. When redoing the missions, just focus on speed and not on saving zombies.

Once you shave off enough time to get your total under 15 minutes, the trophy will pop.

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There are a total of 20 summer levels (the tutorial level doesn’t count). For this achievement you can just run through the levels as fast as possible without worrying about casualties. You don’t have to get three stars for the speed run.

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