This list contains all the free rooms
I will be updating with walkthroughs detailing how I defeated each room as I complete them.
Intro Rooms:
https://tryhackme.com/room/hello
https://tryhackme.com/room/howtousetryhackme
https://tryhackme.com/room/gettingstarted
https://tryhackme.com/room/welcome
https://tryhackme.com/room/tutorial
https://tryhackme.com/room/openvpn
https://tryhackme.com/room/beginnerpathintro
https://tryhackme.com/room/startingoutincybersec
https://tryhackme.com/room/introtoresearch
Basics Rooms:
https://tryhackme.com/room/linux2
https://tryhackme.com/room/linuxmodules
https://tryhackme.com/room/linuxfundamentalspart1
https://tryhackme.com/room/linuxfundamentalspart2
https://tryhackme.com/room/linuxfundamentalspart3
https://tryhackme.com/room/basicpentestingjt
https://tryhackme.com/room/pentestingfundamentals
https://tryhackme.com/room/principlesofsecurity
https://tryhackme.com/room/ccpentesting
https://tryhackme.com/room/hackermethodology
https://tryhackme.com/room/physicalsecurityintro
https://tryhackme.com/room/linuxstrengthtraining
https://tryhackme.com/room/catregex
https://tryhackme.com/room/openvas
https://tryhackme.com/room/btmisp
https://tryhackme.com/room/iso27001
https://tryhackme.com/room/ultratech1
Recon:
https://tryhackme.com/room/passiverecon
https://tryhackme.com/room/activerecon
https://tryhackme.com/room/contentdiscovery
https://tryhackme.com/room/ohsint
https://tryhackme.com/room/shodan
https://tryhackme.com/room/googledorking
https://tryhackme.com/room/searchlightosint
https://tryhackme.com/room/webosint
https://tryhackme.com/room/sakura
Scripting:
https://tryhackme.com/room/pythonbasics
https://tryhackme.com/room/pythonplayground
https://tryhackme.com/room/intropocscripting
https://tryhackme.com/room/peakhill
https://tryhackme.com/room/javascriptbasics
https://tryhackme.com/room/bashscripting
https://tryhackme.com/room/rust
https://tryhackme.com/room/yara
Networking:
https://tryhackme.com/room/introtonetworking
https://tryhackme.com/room/whatisnetworking
https://tryhackme.com/room/bpnetworking
https://tryhackme.com/room/introtolan
https://tryhackme.com/room/httpindetail
https://tryhackme.com/room/dnsindetail
https://tryhackme.com/room/rfirmware
Tooling:
https://tryhackme.com/room/metasploitintro
https://tryhackme.com/room/rpmetasploit
https://tryhackme.com/room/rptmux
https://tryhackme.com/room/tmuxremux
https://tryhackme.com/room/hydra
https://tryhackme.com/room/rpsublist3r
https://tryhackme.com/room/toolboxvim
https://tryhackme.com/room/learnowaspzap
https://tryhackme.com/room/phishinghiddeneye
https://tryhackme.com/room/rustscan
https://tryhackme.com/room/rpnessusredux
https://tryhackme.com/room/nmap01
https://tryhackme.com/room/furthernmap
https://tryhackme.com/room/tshark
https://tryhackme.com/room/ffuf
https://tryhackme.com/room/burpsuitebasics
https://tryhackme.com/room/burpsuiterepeater
Crypto & Hashes:
https://tryhackme.com/room/cryptographyfordummies
https://tryhackme.com/room/crackthehash
https://tryhackme.com/room/crackthehashlevel2
https://tryhackme.com/room/passwordsecurity
https://tryhackme.com/room/agentsudoctf
https://tryhackme.com/room/bruteit
Web:
https://tryhackme.com/room/webfundamentals
https://tryhackme.com/room/webappsec101
https://tryhackme.com/room/vulnerabilities101
https://tryhackme.com/room/walkinganapplication
https://tryhackme.com/room/owasptop10
https://tryhackme.com/room/owaspjuiceshop
https://tryhackme.com/room/rpwebscanning
https://tryhackme.com/room/owaspmutillidae
https://tryhackme.com/room/webgoat
https://tryhackme.com/room/dvwa
https://tryhackme.com/room/vulnnet1
https://tryhackme.com/room/juicydetails
https://tryhackme.com/room/vulnversity
https://tryhackme.com/room/injection
https://tryhackme.com/room/lfibasics
https://tryhackme.com/room/inclusion
https://tryhackme.com/room/sqlilab
https://tryhackme.com/room/learnssti
https://tryhackme.com/room/sqlinjectionlm
Android:
https://tryhackme.com/room/androidhacking101
Forensics:
https://tryhackme.com/room/linuxserverforensics
https://tryhackme.com/room/forensics
https://tryhackme.com/room/memoryforensics
https://tryhackme.com/room/bpvolatility
https://tryhackme.com/room/autopsy2ze0
Wifi Hacking:
https://tryhackme.com/room/wifihacking101
Reverse Engineering:
https://tryhackme.com/room/introtox8664
https://tryhackme.com/room/win64assembly
https://tryhackme.com/room/reverseengineering
https://tryhackme.com/room/reverselfiles
https://tryhackme.com/room/jvmreverseengineering
https://tryhackme.com/room/ccradare
https://tryhackme.com/room/ccghidra2
https://tryhackme.com/room/aster
https://tryhackme.com/room/classicpasswd
https://tryhackme.com/room/reloaded
Malware Analysis
https://tryhackme.com/room/historyofmalware
https://tryhackme.com/room/malmalintroductory
https://tryhackme.com/room/basicmalwarere
https://tryhackme.com/room/malresearching
https://tryhackme.com/room/mma
https://tryhackme.com/room/c2carnage
https://tryhackme.com/room/dunklematerieptxc9
Steganography
https://tryhackme.com/room/ccstego
https://tryhackme.com/room/cicada3301vol1
https://tryhackme.com/room/musicalstego
https://tryhackme.com/room/madness
https://tryhackme.com/room/psychobreak
https://tryhackme.com/room/unstabletwin
PrivEsc:
https://tryhackme.com/room/linprivesc
https://tryhackme.com/room/linuxprivesc
https://tryhackme.com/room/linuxprivescarena
https://tryhackme.com/room/windows10privesc
https://tryhackme.com/room/windowsprivescarena
https://tryhackme.com/room/linuxagency
Windows:
https://tryhackme.com/room/windowsfundamentals1xbx
https://tryhackme.com/room/windowsfundamentals2x0x
https://tryhackme.com/room/windowsfundamentals3xzx
https://tryhackme.com/room/investigatingwindows
https://tryhackme.com/room/investigatingwindows2
https://tryhackme.com/room/investigatingwindows3
https://tryhackme.com/room/blueprint
https://tryhackme.com/room/vulnnetactive
https://tryhackme.com/room/anthem
https://tryhackme.com/room/blue
Active Directory:
https://tryhackme.com/room/attacktivedirectory
https://tryhackme.com/room/postexploit
https://tryhackme.com/room/ustoun
https://tryhackme.com/room/enterprise
https://tryhackme.com/room/raz0rblack
PCAP Analysis
https://tryhackme.com/room/h4cked
https://tryhackme.com/room/c2carnage
https://tryhackme.com/room/cct2019
https://tryhackme.com/room/overpass2hacked
BufferOverflow:
https://tryhackme.com/room/bufferoverflowprep
https://tryhackme.com/room/gatekeeper
https://tryhackme.com/room/chronicle
https://tryhackme.com/room/introtopwntools
Easy CTF:
https://tryhackme.com/room/overlayfs
https://tryhackme.com/room/gamingserver
https://tryhackme.com/room/psychobreak
https://tryhackme.com/room/cowboyhacker
https://tryhackme.com/room/ctf
https://tryhackme.com/room/rrootme
https://tryhackme.com/room/attackerkb
https://tryhackme.com/room/picklerick
https://tryhackme.com/room/c4ptur3th3fl4g
https://tryhackme.com/room/bsidesgtlibrary
https://tryhackme.com/room/bsidesgtthompson
https://tryhackme.com/room/easyctf
https://tryhackme.com/room/lazyadmin
https://tryhackme.com/room/bsidesgtanonforce
https://tryhackme.com/room/ignite
https://tryhackme.com/room/wgelctf
https://tryhackme.com/room/kenobi
https://tryhackme.com/room/bsidesgtdav
https://tryhackme.com/room/ninjaskills
https://tryhackme.com/room/ice
https://tryhackme.com/room/lianyu
https://tryhackme.com/room/thecodcaper
https://tryhackme.com/room/blaster
https://tryhackme.com/room/encryptioncrypto101
https://tryhackme.com/room/brooklynninenine
https://tryhackme.com/room/yearoftherabbit
https://tryhackme.com/room/jackofalltrades
https://tryhackme.com/room/madness
https://tryhackme.com/room/kothfoodctf
https://tryhackme.com/room/easypeasyctf
https://tryhackme.com/room/tonythetiger
https://tryhackme.com/room/ctfcollectionvol1
https://tryhackme.com/room/smaggrotto
https://tryhackme.com/room/couch
https://tryhackme.com/room/source
https://tryhackme.com/room/overpass
https://tryhackme.com/room/pokemon
https://tryhackme.com/room/bolt
https://tryhackme.com/room/overpass2hacked
https://tryhackme.com/room/kiba
https://tryhackme.com/room/poster
https://tryhackme.com/room/chocolatefactory
https://tryhackme.com/room/startup
https://tryhackme.com/room/chillhack
https://tryhackme.com/room/colddboxeasy
https://tryhackme.com/room/glitch
https://tryhackme.com/room/allinonemj
https://tryhackme.com/room/archangel
https://tryhackme.com/room/cyborgt8
https://tryhackme.com/room/lunizzctfnd
https://tryhackme.com/room/badbyte
https://tryhackme.com/room/teamcw
https://tryhackme.com/room/vulnnetnode
https://tryhackme.com/room/vulnnetinternal
https://tryhackme.com/room/atlas
https://tryhackme.com/room/vulnnetroasted
https://tryhackme.com/room/catpictures
https://tryhackme.com/room/mustacchio
Medium CTF:
https://tryhackme.com/room/road
https://tryhackme.com/room/mrrobot
https://tryhackme.com/room/goldeneye
https://tryhackme.com/room/stuxctf
https://tryhackme.com/room/boilerctf2
https://tryhackme.com/room/jokerctf
https://tryhackme.com/room/biohazard
https://tryhackme.com/room/breakit
https://tryhackme.com/room/willow
https://tryhackme.com/room/marketplace
https://tryhackme.com/room/nax
https://tryhackme.com/room/mindgames
https://tryhackme.com/room/anonymous
https://tryhackme.com/room/blog
https://tryhackme.com/room/wonderland
https://tryhackme.com/room/0day
https://tryhackme.com/room/bsidesgtdevelpy
https://tryhackme.com/room/ctfcollectionvol2
https://tryhackme.com/room/cmess
https://tryhackme.com/room/dejavu
https://tryhackme.com/room/hackernote
https://tryhackme.com/room/dogcat
https://tryhackme.com/room/convertmyvideo
https://tryhackme.com/room/kothhackers
https://tryhackme.com/room/revenge
https://tryhackme.com/room/harder
https://tryhackme.com/room/haskhell
https://tryhackme.com/room/undiscoveredup
https://tryhackme.com/room/breakoutthecage1
https://tryhackme.com/room/theimpossiblechallenge
https://tryhackme.com/room/lookingglass
https://tryhackme.com/room/recovery
https://tryhackme.com/room/relevant
https://tryhackme.com/room/ghizerctf
https://tryhackme.com/room/mnemonic
https://tryhackme.com/room/wwbuddy
https://tryhackme.com/room/theblobblog
https://tryhackme.com/room/cooctusadventures
https://tryhackme.com/room/ctfonepiece65
https://tryhackme.com/room/toc2
https://tryhackme.com/room/nerdherd
https://tryhackme.com/room/kuberneteschalltdi2020
https://tryhackme.com/room/theserverfromhell
https://tryhackme.com/room/jacobtheboss
https://tryhackme.com/room/unbakedpie
https://tryhackme.com/room/bookstoreoc
https://tryhackme.com/room/overpass3hosting
https://tryhackme.com/room/battery
https://tryhackme.com/room/madeyescastle
https://tryhackme.com/room/enpass
https://tryhackme.com/room/sustah
https://tryhackme.com/room/somesint
https://tryhackme.com/room/tokyoghoul666
https://tryhackme.com/room/watcher
https://tryhackme.com/room/broker
https://tryhackme.com/room/inferno
https://tryhackme.com/room/vulnnetdotpy
https://tryhackme.com/room/wekorra
https://tryhackme.com/room/pylonzf
https://tryhackme.com/room/thegreatescape
https://tryhackme.com/room/safezone
https://tryhackme.com/room/nahamstore
https://tryhackme.com/room/sweettoothinc
https://tryhackme.com/room/cmspit
https://tryhackme.com/room/superspamr
https://tryhackme.com/room/thatstheticket
https://tryhackme.com/room/debug
https://tryhackme.com/room/redstoneonecarat
https://tryhackme.com/room/coldvvars
https://tryhackme.com/room/metamorphosis
https://tryhackme.com/room/sqhell
https://tryhackme.com/room/fortress
https://tryhackme.com/room/cybercrafted
Hard CTF:
https://tryhackme.com/room/m4tr1xexitdenied
https://tryhackme.com/room/motunui
https://tryhackme.com/room/spring
https://tryhackme.com/room/brainpan
https://tryhackme.com/room/borderlands
https://tryhackme.com/room/hc0nchristmasctf
https://tryhackme.com/room/dailybugle
https://tryhackme.com/room/retro
https://tryhackme.com/room/jeff
https://tryhackme.com/room/racetrackbank
https://tryhackme.com/room/davesblog
https://tryhackme.com/room/cherryblossom
https://tryhackme.com/room/cct2019
https://tryhackme.com/room/ironcorp
https://tryhackme.com/room/carpediem1
https://tryhackme.com/room/yotf
https://tryhackme.com/room/forbusinessreasons
https://tryhackme.com/room/anonymousplayground
https://tryhackme.com/room/misguidedghosts
https://tryhackme.com/room/theseus
https://tryhackme.com/room/internal
https://tryhackme.com/room/yearofthedog
https://tryhackme.com/room/inacave
https://tryhackme.com/room/yearoftheowl
https://tryhackme.com/room/yearofthepig
https://tryhackme.com/room/envizon
https://tryhackme.com/room/gamebuzz
https://tryhackme.com/room/fusioncorp
https://tryhackme.com/room/crocccrew
https://tryhackme.com/room/uranium
https://tryhackme.com/room/yearofthejellyfish
https://tryhackme.com/room/rocket
https://tryhackme.com/room/squidgameroom
https://tryhackme.com/room/enterprize
https://tryhackme.com/room/adana
https://tryhackme.com/room/vulnnetdotjar
Special Events:
https://tryhackme.com/room/hackerofthehill
https://tryhackme.com/room/25daysofchristmas
https://tryhackme.com/room/learncyberin25days
https://tryhackme.com/room/adventofcyber2
https://tryhackme.com/room/adventofcyber3
https://tryhackme.com/room/cyberweek2021
https://tryhackme.com/room/tickets1
https://tryhackme.com/room/tickets2
Misc:
https://tryhackme.com/room/solar
https://tryhackme.com/room/django
https://tryhackme.com/room/githappens
https://tryhackme.com/room/meltdownexplained
https://tryhackme.com/room/bpsplunk
https://tryhackme.com/room/linuxbackdoors
https://tryhackme.com/room/thefindcommand
https://tryhackme.com/room/jupyter101
https://tryhackme.com/room/geolocatingimages
https://tryhackme.com/room/torforbeginners
https://tryhackme.com/room/tomghost
https://tryhackme.com/room/dllhijacking
https://tryhackme.com/room/iotintro
https://tryhackme.com/room/attackingics1
https://tryhackme.com/room/attackingics2
https://tryhackme.com/room/printerhacking101
https://tryhackme.com/room/dnsmanipulation
https://tryhackme.com/room/flask
https://tryhackme.com/room/mitre
https://tryhackme.com/room/magician
https://tryhackme.com/room/jpgchat
https://tryhackme.com/room/sudovulnssamedit
https://tryhackme.com/room/cve202141773
https://tryhackme.com/room/binaryheaven
https://tryhackme.com/room/gitandcrumpets
https://tryhackme.com/room/polkit
https://tryhackme.com/room/hipflask
https://tryhackme.com/room/bypassdisablefunctions
https://tryhackme.com/room/wordpresscve202129447
https://tryhackme.com/room/linuxfunctionhooking
https://tryhackme.com/room/revilcorp
https://tryhackme.com/room/sudovulnsbof
https://tryhackme.com/room/sudovulnsbypass
Special thanks to Samrat Gupta aka Sm4rty for the original list!