diff --git a/source/games/duke/src/actors.cpp b/source/games/duke/src/actors.cpp
index 4cb5a9fd1..6af346123 100644
--- a/source/games/duke/src/actors.cpp
+++ b/source/games/duke/src/actors.cpp
@@ -2013,7 +2013,7 @@ void forcesphereexplode(DDukeActor *actor)
 		}
 
 	actor->spr.pos = Owner->spr.pos;;
-	actor->add_int_ang(Owner->temp_data[0]);
+	actor->spr.angle += mapangle(Owner->temp_data[0]);
 
 	if (l > 64) l = 64;
 	else if (l < 1) l = 1;
@@ -4607,7 +4607,7 @@ void handle_se130(DDukeActor *actor, int countmax, int EXPLOSION2)
 		{
 			k->spr.xrepeat = k->spr.yrepeat = 2 + (krand() & 7);
 			k->spr.pos.Z = sc->floorz + krandf(x);
-			k->add_int_ang(256 - (krand() % 511));
+			k->spr.angle += DAngle45 - randomAngle(90);
 			k->vel.X = krandf(8);
 			ssp(k, CLIPMASK0);
 		}
diff --git a/source/games/duke/src/actors_r.cpp b/source/games/duke/src/actors_r.cpp
index d9aa03578..58b4a1f08 100644
--- a/source/games/duke/src/actors_r.cpp
+++ b/source/games/duke/src/actors_r.cpp
@@ -401,7 +401,7 @@ int movesprite_ex_r(DDukeActor* actor, const DVector3& change, unsigned int clip
 			if (dasectp == nullptr) dasectp = &sector[0];
 			return result.setSector(dasectp);
 		}
-		if ((result.type == kHitWall || result.type == kHitSprite) && (actor->cgg == 0)) actor->add_int_ang(768);
+		if ((result.type == kHitWall || result.type == kHitSprite) && (actor->cgg == 0)) actor->spr.angle += DAngle45 + DAngle90;
 	}
 	else
 	{
diff --git a/source/games/duke/src/ccmds.cpp b/source/games/duke/src/ccmds.cpp
index 4d0ed129e..8d7827bdb 100644
--- a/source/games/duke/src/ccmds.cpp
+++ b/source/games/duke/src/ccmds.cpp
@@ -46,7 +46,7 @@ static int ccmd_spawn(CCmdFuncPtr parm)
 	ESpriteFlags cstat = 0;
 	int picnum = 0;
 	unsigned int pal = 0;
-	int ang = 0;
+	DAngle ang = nullAngle;
 	int set = 0;
 
 #if 0 // fixme - route through the network and this limitation becomes irrelevant
@@ -64,7 +64,7 @@ static int ccmd_spawn(CCmdFuncPtr parm)
 		set |= 8;
 		[[fallthrough]];
 	case 4: // ang
-		ang = atol(parm->parms[3]) & 2047; set |= 4;
+		ang = DAngle::fromDeg(atol(parm->parms[3])); set |= 4;
 		[[fallthrough]];
 	case 3: // cstat
 		cstat = ESpriteFlags::FromInt(atol(parm->parms[2])); set |= 2;
diff --git a/source/games/duke/src/sectors_d.cpp b/source/games/duke/src/sectors_d.cpp
index ca70ab55a..d215432b4 100644
--- a/source/games/duke/src/sectors_d.cpp
+++ b/source/games/duke/src/sectors_d.cpp
@@ -679,7 +679,7 @@ void checkhitwall_d(DDukeActor* spr, walltype* wal, const DVector3& pos, int atw
 					if (spawned)
 					{
 						spawned->spr.cstat |= CSTAT_SPRITE_TRANSLUCENT | CSTAT_SPRITE_ALIGNMENT_WALL | CSTAT_SPRITE_YCENTER;
-						spawned->set_int_ang(getangle(-wal->delta()) - 512);
+						spawned->spr.angle = VecToAngle(-wal->delta()) - DAngle90;
 
 						S_PlayActorSound(SOMETHINGHITFORCE, spawned);
 					}
@@ -1194,7 +1194,7 @@ void checkhitsprite_d(DDukeActor* targ, DDukeActor* proj)
 		for (j = 0; j < 48; j++)
 		{
 			fi.shoot(targ, BLOODSPLAT1);
-			targ->add_int_ang(333);
+			targ->spr.angle += DAngle1 * 58.5; // Was 333, which really makes no sense.
 		}
 		S_PlayActorSound(GLASS_HEAVYBREAK, targ);
 		S_PlayActorSound(SQUISHED, targ);
@@ -1381,7 +1381,7 @@ void checkhitsprite_d(DDukeActor* targ, DDukeActor* proj)
 								spawned->spr.pos.Z += 4;
 								spawned->vel.X = 1;
 								spawned->spr.xrepeat = spawned->spr.yrepeat = 24;
-								spawned->add_int_ang(32 - (krand() & 63));
+								spawned->spr.angle = DAngle22_5 / 4 - randomAngle(22.5 / 2);
 							}
 						}