Pretty sure you can get that achievement, yes, unless something glitched and we've been unaware of it. How many tablets have you found so far?
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I found 9 total on my best run, 1-8 and 11, but I'm pretty sure it's not a glitch and I meant to ask if it is in game yet and I needed to focus more on trying to get the achievement or not, thank you for responding!
editing I found out they apparently all collect across saves when you check the stuff in the main menu because now I have like 90% of them and I know full well I did not get that many in one run lmao