diff --git a/go.mod b/go.mod
index eb9fd35..52e98f7 100644
--- a/go.mod
+++ b/go.mod
@@ -9,5 +9,6 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/stretchr/testify v1.10.0 // indirect
+	golang.org/x/crypto v0.39.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 2447b7b..06c7739 100644
--- a/go.sum
+++ b/go.sum
@@ -10,6 +10,8 @@ github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
 github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/crypto v0.39.0 h1:SHs+kF4LP+f+p14esP5jAoDpHU8Gu/v9lFRK6IT5imM=
+golang.org/x/crypto v0.39.0/go.mod h1:L+Xg3Wf6HoL4Bn4238Z6ft6KfEpN0tJGo53AAPC632U=
 golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
 golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/term v0.32.0 h1:DR4lr0TjUs3epypdhTOkMmuF5CDFJ/8pOnbzMZPQ7bg=
diff --git a/internal/game/data/account.go b/internal/game/data/account.go
index 744d80b..a5971ce 100644
--- a/internal/game/data/account.go
+++ b/internal/game/data/account.go
@@ -11,7 +11,7 @@ func (ac AccountComponent) Type() ecs.ComponentType {
 }
 
 type PasswordComponent struct {
-	EncryptedPassword string
+	EncryptedPassword []byte
 }
 
 func (pc PasswordComponent) Type() ecs.ComponentType {
diff --git a/internal/game/data/command.go b/internal/game/data/command.go
index a30ecb9..646b644 100644
--- a/internal/game/data/command.go
+++ b/internal/game/data/command.go
@@ -65,8 +65,8 @@ type ArgName = string
 
 const (
 	ArgMessageContent  ArgName = "messageContent"
-	ArgAccountName             = "accountName"
-	ArgAccountPassword         = "accountPassword"
+	ArgAccountName     ArgName = "accountName"
+	ArgAccountPassword ArgName = "accountPassword"
 )
 
 type Arg struct {
@@ -88,8 +88,6 @@ type Command string
 const (
 	CommandSay      Command = "say"
 	CommandQuit             = "quit"
-	CommandHelp             = "help"
-	CommandSetName          = "setname"
 	CommandLogin            = "login"
 	CommandRegister         = "register"
 )
diff --git a/internal/game/logic/command/commands.go b/internal/game/logic/command/commands.go
index 24528e7..9296362 100644
--- a/internal/game/logic/command/commands.go
+++ b/internal/game/logic/command/commands.go
@@ -2,11 +2,14 @@ package command
 
 import (
 	"code.haedhutner.dev/mvv/LastMUD/internal/game/logic/world"
+	"code.haedhutner.dev/mvv/LastMUD/internal/logging"
 	"regexp"
 	"time"
 
 	"code.haedhutner.dev/mvv/LastMUD/internal/ecs"
 	"code.haedhutner.dev/mvv/LastMUD/internal/game/data"
+
+	"golang.org/x/crypto/bcrypt"
 )
 
 func HandleSay(w *ecs.World, _ time.Duration, player ecs.Entity, args data.ArgsMap) (err error) {
@@ -51,7 +54,8 @@ func HandleQuit(w *ecs.World, _ time.Duration, player ecs.Entity, _ data.ArgsMap
 	return
 }
 
-var usernameRegex = regexp.MustCompile(`^[a-zA-Z0-9_-]{1,24}$`)
+var usernameRegex = regexp.MustCompile(`^[a-zA-Z0-9_-]{1,16}$`)
+var passwordRegex = regexp.MustCompile(`^[a-zA-Z0-9!@#$%^&*()_+\-=\[\]{}|;:',.<>/?]{6,12}$`)
 
 func HandleRegister(w *ecs.World, delta time.Duration, player ecs.Entity, args data.ArgsMap) (err error) {
 	accountName, err := arg[string](args, data.ArgAccountName)
@@ -61,16 +65,42 @@ func HandleRegister(w *ecs.World, delta time.Duration, player ecs.Entity, args d
 	}
 
 	if !usernameRegex.MatchString(accountName) {
-		world.SendMessageToPlayer(w, player, "Registration: Username must only contain letters, numbers, dashes (-) and underscores (_), and be at most 24 characters in length.")
+		world.SendMessageToPlayer(w, player, "Registration: Username must only contain letters, numbers, dashes (-) and underscores (_), and be at most 16 characters in length.")
+		return
 	}
 
-	//accountPassword, err := arg[string](args, data.ArgAccountPassword)
-	//
-	//if err != nil {
-	//	return err
-	//}
+	accountPassword, err := arg[string](args, data.ArgAccountPassword)
 
-	// TODO: validate username and password, encrypt password, etc.
+	if err != nil {
+		return err
+	}
+
+	if !passwordRegex.MatchString(accountPassword) {
+		world.SendMessageToPlayer(w, player, "Registration: Password must be between 6 and 12 characters in length")
+		return
+	}
+
+	// TODO: Validate username doesn't exist already
+
+	encryptedPassword, err := bcrypt.GenerateFromPassword([]byte(accountPassword), bcrypt.DefaultCost)
+
+	account := world.CreateAccount(w, accountName, encryptedPassword)
+
+	ecs.SetComponent(w, player, data.AccountComponent{Account: account})
+
+	world.SendMessageToPlayer(w, player, "Account created successfully! Welcome to LastMUD!")
+
+	defaultRoom, err := ecs.GetResource[ecs.Entity](w, data.ResourceDefaultRoom)
+
+	if err != nil {
+		logging.Error("Unable to locate default room")
+		world.SendMessageToPlayer(w, player, "Welcome to LastMUD! Your account was created, but you could not be joined to a room. Please try again later!")
+		return
+	}
+
+	ecs.SetComponent(w, player, data.NameComponent{Name: accountName})
+	ecs.SetComponent(w, player, data.InRoomComponent{Room: defaultRoom})
+	ecs.SetComponent(w, player, data.PlayerStateComponent{State: data.PlayerStatePlaying})
 
 	return
 }
diff --git a/internal/game/logic/systems.go b/internal/game/logic/systems.go
index 9d93e63..a334549 100644
--- a/internal/game/logic/systems.go
+++ b/internal/game/logic/systems.go
@@ -23,6 +23,6 @@ func CreateSystems() []*ecs.System {
 		// Command Handlers
 		ecs.CreateSystem("SayCommandHandler", CommandOffset+0, command.CreateHandler(data.CommandSay, command.HandleSay)),
 		ecs.CreateSystem("QuitCommandHandler", CommandOffset+10, command.CreateHandler(data.CommandQuit, command.HandleQuit)),
-		// ecs.CreateSystem("RegisterCommandHandler", CommandOffset+20, command.CreateHandler(data.CommandRegister, command.HandleRegister)),
+		ecs.CreateSystem("RegisterCommandHandler", CommandOffset+60, command.CreateHandler(data.CommandRegister, command.HandleRegister)),
 	}
 }
diff --git a/internal/game/logic/world/account.go b/internal/game/logic/world/account.go
index a6d5b9b..f47f9a8 100644
--- a/internal/game/logic/world/account.go
+++ b/internal/game/logic/world/account.go
@@ -5,7 +5,7 @@ import (
 	"code.haedhutner.dev/mvv/LastMUD/internal/game/data"
 )
 
-func CreateAccount(world *ecs.World, username, encryptedPassword string) ecs.Entity {
+func CreateAccount(world *ecs.World, username string, encryptedPassword []byte) ecs.Entity {
 	account := ecs.NewEntity()
 
 	ecs.SetComponent(world, account, data.NameComponent{Name: username})
diff --git a/internal/game/logic/world/player.go b/internal/game/logic/world/player.go
index b095fd2..9967fdc 100644
--- a/internal/game/logic/world/player.go
+++ b/internal/game/logic/world/player.go
@@ -27,3 +27,13 @@ func SendMessageToPlayer(world *ecs.World, player ecs.Entity, message string) {
 
 	CreateGameOutput(world, connId.ConnectionId, message)
 }
+
+func SendDisconnectMessageToPlayer(world *ecs.World, player ecs.Entity, message string) {
+	connId, ok := ecs.GetComponent[data.ConnectionIdComponent](world, player)
+
+	if !ok {
+		return
+	}
+
+	CreateClosingGameOutput(world, connId.ConnectionId, []byte(message))
+}
diff --git a/internal/game/logic/world/room.go b/internal/game/logic/world/room.go
index 4934285..b00cede 100644
--- a/internal/game/logic/world/room.go
+++ b/internal/game/logic/world/room.go
@@ -19,3 +19,7 @@ func CreateRoom(
 
 	return entity
 }
+
+func MovePlayerToRoom(world *ecs.World, player, room ecs.Entity) {
+	ecs.SetComponent(world, player, data.InRoomComponent{Room: room})
+}
diff --git a/internal/server/server.go b/internal/server/server.go
index 2b79ec4..d5c8d95 100644
--- a/internal/server/server.go
+++ b/internal/server/server.go
@@ -119,6 +119,7 @@ func (srv *Server) consumeGameOutput() {
 		output := srv.lastmudgame.ConsumeNextOutput()
 
 		if output == nil {
+			time.Sleep(20 * time.Millisecond)
 			continue
 		}