diff --git a/src/ai/energy_system.rs b/src/ai/energy_system.rs
index b4ee5c2..65b4020 100644
--- a/src/ai/energy_system.rs
+++ b/src/ai/energy_system.rs
@@ -1,11 +1,11 @@
+use crate::config::entity::*;
 use crate::{Burden, BurdenLevel, Clock, Energy, Name, Position, RunState, TakingTurn, LOG_TICKS};
 use rltk::prelude::*;
 use specs::prelude::*;
 
 pub struct EnergySystem {}
 
-pub const NORMAL_SPEED: i32 = 12;
-const TURN_COST: i32 = NORMAL_SPEED * 4;
+const TURN_COST: i32 = NORMAL_SPEED * TURN_COST_MULTIPLIER;
 
 impl<'a> System<'a> for EnergySystem {
     #[allow(clippy::type_complexity)]
diff --git a/src/ai/mod.rs b/src/ai/mod.rs
index 8aece35..77a64e8 100644
--- a/src/ai/mod.rs
+++ b/src/ai/mod.rs
@@ -1,5 +1,5 @@
 mod energy_system;
-pub use energy_system::{EnergySystem, NORMAL_SPEED};
+pub use energy_system::EnergySystem;
 mod turn_status_system;
 pub use turn_status_system::TurnStatusSystem;
 mod quip_system;
diff --git a/src/config/entity.rs b/src/config/entity.rs
new file mode 100644
index 0000000..1ce3448
--- /dev/null
+++ b/src/config/entity.rs
@@ -0,0 +1,4 @@
+pub const DEFAULT_VIEWSHED_STANDARD: i32 = 16; // Standard viewshed radius for almost all entities.
+
+pub const NORMAL_SPEED: i32 = 12; // Normal speed for almost all entities.
+pub const TURN_COST_MULTIPLIER: i32 = 4; // How many ticks per turn for an entity with NORMAL_SPEED.
diff --git a/src/config/mod.rs b/src/config/mod.rs
new file mode 100644
index 0000000..e8c3d6a
--- /dev/null
+++ b/src/config/mod.rs
@@ -0,0 +1 @@
+pub mod entity;
diff --git a/src/gui/character_creation.rs b/src/gui/character_creation.rs
index 404f37e..8db2bf0 100644
--- a/src/gui/character_creation.rs
+++ b/src/gui/character_creation.rs
@@ -1,7 +1,7 @@
 use super::{gamesystem::attr_bonus, gamesystem::get_attribute_rolls, Attributes, Pools, Renderable, RunState, State};
+use crate::config::entity::NORMAL_SPEED;
 use crate::{
-    ai::NORMAL_SPEED, raws, Attribute, Energy, HasAncestry, HasClass, KnownSpell, KnownSpells, Pool, Skill, Skills,
-    Telepath, BUC,
+    raws, Attribute, Energy, HasAncestry, HasClass, KnownSpell, KnownSpells, Pool, Skill, Skills, Telepath, BUC,
 };
 use rltk::prelude::*;
 use serde::{Deserialize, Serialize};
diff --git a/src/main.rs b/src/main.rs
index 435d4bc..0d61adf 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -29,6 +29,7 @@ mod inventory;
 mod particle_system;
 use particle_system::{ParticleBuilder, DEFAULT_PARTICLE_LIFETIME, LONG_PARTICLE_LIFETIME};
 mod ai;
+mod config;
 mod effects;
 mod gamesystem;
 mod random_table;
diff --git a/src/map/themes.rs b/src/map/themes.rs
index 60ec90c..c6b7046 100644
--- a/src/map/themes.rs
+++ b/src/map/themes.rs
@@ -252,7 +252,7 @@ pub fn multiply_by_float(rgb: rltk::RGB, offsets: (f32, f32, f32)) -> RGB {
 fn darken_by_distance(pos: Point, other_pos: Point) -> f32 {
     let distance = DistanceAlg::Pythagoras.distance2d(pos, other_pos) as f32; // Get distance in tiles.
     let interp_factor = (distance - START_DARKEN_AT_N_TILES)
-        / (MAX_DARKEN_AT_N_TILES * crate::spawner::VIEWSHED_MOD - START_DARKEN_AT_N_TILES);
+        / (MAX_DARKEN_AT_N_TILES * crate::config::entity::DEFAULT_VIEWSHED_STANDARD as f32 - START_DARKEN_AT_N_TILES);
     let interp_factor = interp_factor.max(0.0).min(1.0); // Clamp [0-1]
     return 1.0 - interp_factor * (1.0 - MAX_DARKENING);
 }
diff --git a/src/raws/rawmaster.rs b/src/raws/rawmaster.rs
index f63467a..fc265ba 100644
--- a/src/raws/rawmaster.rs
+++ b/src/raws/rawmaster.rs
@@ -1,9 +1,9 @@
 use super::{Raws, Reaction};
 use crate::components::*;
+use crate::config::entity;
 use crate::gamesystem::*;
 use crate::gui::Ancestry;
 use crate::random_table::RandomTable;
-use crate::spawner;
 use crate::LOG_SPAWNING;
 use regex::Regex;
 use rltk::prelude::*;
@@ -381,11 +381,7 @@ pub fn spawn_named_mob(
         eb = ecs.create_entity().marked::<SimpleMarker<SerializeMe>>();
         eb = spawn_position(pos, eb, key, raws);
         eb = eb.with(Name { name: mob_template.name.clone(), plural: mob_template.name.clone() });
-        eb = eb.with(Viewshed {
-            visible_tiles: Vec::new(),
-            range: (mob_template.vision_range as f32 * spawner::VIEWSHED_MOD) as i32,
-            dirty: true,
-        });
+        eb = eb.with(Viewshed { visible_tiles: Vec::new(), range: mob_template.vision_range as i32, dirty: true });
         if let Some(telepath) = &mob_template.telepathy_range {
             eb = eb.with(Telepath { telepath_tiles: Vec::new(), range: *telepath, dirty: true });
         }
diff --git a/src/spawner.rs b/src/spawner.rs
index cfe44fd..62e85ed 100644
--- a/src/spawner.rs
+++ b/src/spawner.rs
@@ -1,16 +1,15 @@
 use super::{
-    ai::NORMAL_SPEED, random_table::RandomTable, raws, Attribute, Attributes, Clock, Energy, EquipmentChanged, Faction,
-    HungerClock, HungerState, Map, Mind, Name, Player, Pool, Pools, Position, Rect, Renderable, SerializeMe, Skill,
-    Skills, TileType, Viewshed,
+    random_table::RandomTable, raws, Attribute, Attributes, Clock, Energy, EquipmentChanged, Faction, HungerClock,
+    HungerState, Map, Mind, Name, Player, Pool, Pools, Position, Rect, Renderable, SerializeMe, Skill, Skills,
+    TileType, Viewshed,
 };
+use crate::config::entity;
 use crate::gamesystem::*;
 use rltk::{RandomNumberGenerator, RGB};
 use specs::prelude::*;
 use specs::saveload::{MarkedBuilder, SimpleMarker};
 use std::collections::HashMap;
 
-pub const VIEWSHED_MOD: f32 = 1.25;
-
 /// Spawns the player and returns his/her entity object.
 pub fn player(ecs: &mut World, player_x: i32, player_y: i32) -> Entity {
     let mut skills = Skills { skills: HashMap::new() };
@@ -19,7 +18,7 @@ pub fn player(ecs: &mut World, player_x: i32, player_y: i32) -> Entity {
     skills.skills.insert(Skill::Magic, 0);
     let (int, con) = (10, 10);
     // We only create the player once, so create the Clock here for counting turns too.
-    ecs.create_entity().with(Clock {}).with(Energy { current: 0, speed: NORMAL_SPEED }).build();
+    ecs.create_entity().with(Clock {}).with(Energy { current: 0, speed: entity::NORMAL_SPEED }).build();
     let player = ecs
         .create_entity()
         .with(Position { x: player_x, y: player_y })
@@ -32,7 +31,7 @@ pub fn player(ecs: &mut World, player_x: i32, player_y: i32) -> Entity {
         .with(Player {})
         .with(Mind {})
         .with(Faction { name: "player".to_string() })
-        .with(Viewshed { visible_tiles: Vec::new(), range: (12 as f32 * VIEWSHED_MOD) as i32, dirty: true })
+        .with(Viewshed { visible_tiles: Vec::new(), range: entity::DEFAULT_VIEWSHED_STANDARD, dirty: true })
         .with(Name { name: "you".to_string(), plural: "you".to_string() })
         .with(HungerClock { state: HungerState::Satiated, duration: 1200 })
         .with(Attributes {
@@ -56,7 +55,7 @@ pub fn player(ecs: &mut World, player_x: i32, player_y: i32) -> Entity {
         })
         .with(EquipmentChanged {})
         .with(skills)
-        .with(Energy { current: 0, speed: NORMAL_SPEED })
+        .with(Energy { current: 0, speed: entity::NORMAL_SPEED })
         .marked::<SimpleMarker<SerializeMe>>()
         .build();
 
diff --git a/wasm/rust-llyrl.js b/wasm/rust-llyrl.js
index c22d459..c16e6aa 100644
--- a/wasm/rust-llyrl.js
+++ b/wasm/rust-llyrl.js
@@ -805,11 +805,11 @@ function __wbg_get_imports() {
         const ret = makeMutClosure(arg0, arg1, 124, __wbg_adapter_20);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbindgen_closure_wrapper2705 = function(arg0, arg1, arg2) {
+    imports.wbg.__wbindgen_closure_wrapper2716 = function(arg0, arg1, arg2) {
         const ret = makeMutClosure(arg0, arg1, 518, __wbg_adapter_23);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbindgen_closure_wrapper2707 = function(arg0, arg1, arg2) {
+    imports.wbg.__wbindgen_closure_wrapper2718 = function(arg0, arg1, arg2) {
         const ret = makeMutClosure(arg0, arg1, 518, __wbg_adapter_23);
         return addHeapObject(ret);
     };
diff --git a/wasm/rust-llyrl_bg.wasm b/wasm/rust-llyrl_bg.wasm
index eda9896..8233f55 100644
Binary files a/wasm/rust-llyrl_bg.wasm and b/wasm/rust-llyrl_bg.wasm differ