Cant open game on Mac

[BaconLazers]

Process: Loop_Hero [72590]
Path: /Users/USER/Library/Application Support/Steam/*/Loop_Hero.app/Contents/MacOS/Loop_Hero
Identifier: com.devolverdigital.loophero
Version: 1.0.0 (1.0.0)
Code Type: ARM-64 (Native)
Parent Process: ??? [1]
Responsible: Loop_Hero [72590]
User ID: 501

Date/Time: 2021-03-04 20:06:46.760 +0000
OS Version: macOS 11.2.2 (20D80)
Report Version: 12
Anonymous UUID: 140EBA17-AFE2-8419-BC7A-7A0ACBB69A7D

Sleep/Wake UUID: 17AB92EA-A657-4D9C-A20D-E5481ECF9BC7

Time Awake Since Boot: 360000 seconds
Time Since Wake: 1400 seconds

System Integrity Protection: enabled

Crashed Thread: 0

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY

Termination Reason: DYLD, [0x9] <unknown>

Application Specific Information:
dyld: launch, loading dependent libraries
DYLD_LIBRARY_PATH=
DYLD_INSERT_LIBRARIES=/Users/antonydelaney/Library/Application Support/Steam/Steam.AppBundle/Steam/Contents/MacOS/steamloader.dylib:/Users/antonydelaney/Library/Application Support/Steam/Steam.AppBundle/Steam/Contents/MacOS/gameoverlayrenderer.dylib
DYLD_FALLBACK_LIBRARY_PATH=/Users/antonydelaney/Library/Application Support/Steam/Steam.AppBundle/Steam/Contents/MacOS:/Users/antonydelaney/Library/Application Support/Steam/steamapps/common/Loop Hero:/Users/antonydelaney/Library/Application Support/Steam/steamapps/common/Loop Hero/bin:/usr/local/lib:/lib:/usr/lib

Dyld Error Message:
could not load inserted library '/Users/antonydelaney/Library/Application Support/Steam/Steam.AppBundle/Steam/Contents/MacOS/steamloader.dylib' because no suitable image found. Did find:
/Users/antonydelaney/Library/Application Support/Steam/Steam.AppBundle/Steam/Contents/MacOS/steamloader.dylib: no matching architecture in universal wrapper
/Users/antonydelaney/Library/Application Support/Steam/Steam.AppBundle/Steam/Contents/MacOS/steamloader.dylib: stat() failed with errno=1

Binary Images:
0x104c60000 - 0x1059f3fff +com.devolverdigital.loophero (1.0.0 - 1.0.0) <9168ACD1-7031-3451-89A2-0EDD97EA5602> /Users/USER/Library/Application Support/Steam/*/Loop_Hero.app/Contents/MacOS/Loop_Hero
0x1066f4000 - 0x10676ffff dyld (832.7.3) <4AB185B3-DC20-3C03-A193-67C0E6C589D7> /usr/lib/dyld

Model: MacBookPro17,1, BootROM 6723.81.1, proc 8:4:4 processors, 16 GB, SMC
Graphics: kHW_AppleM1Item, Apple M1, spdisplays_builtin
Memory Module: lp_ddr4
AirPort: spairport_wireless_card_type_airport_extreme, wl0: Dec 31 2020 21:39:03 version 18.20.222.20.7.8.104 FWID 01-1b2645bc
Bluetooth: Version 8.0.3d9, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
USB Device: USB 3.1 Bus
USB Device: USB 3.1 Bus
Thunderbolt Bus: MacBook Pro, Apple Inc.
Thunderbolt Bus: MacBook Pro, Apple Inc.

[PumBumbler]

You need to check off "Open using Rosetta" in get info, under the "Loop_Hero.app", because Steam is not ARM native yet. :-P

[ldhacker]

Just updated to the steam beta and it fixed this issue for another game for me.