diff --git a/TouchyTickets/Attractions/Attraction.cs b/TouchyTickets/Attractions/Attraction.cs
index 94be9c5..a864d53 100644
--- a/TouchyTickets/Attractions/Attraction.cs
+++ b/TouchyTickets/Attractions/Attraction.cs
@@ -21,21 +21,21 @@ namespace TouchyTickets.Attractions {
         [DataMember]
         public readonly AttractionType Type;
         [DataMember]
-        private float ticketPercentage;
+        private double ticketPercentage;
         private float animationSizeModifier;
 
         public Attraction(AttractionType type) {
             this.Type = type;
         }
 
-        public float Update(GameTime time, TimeSpan passed, ParkMap map, Point position) {
+        public double Update(GameTime time, TimeSpan passed, ParkMap map, Point position) {
             var genRate = this.GetGenerationRate(map, position);
             // apply generation rate to ticket amount
-            this.ticketPercentage += genRate * (float) passed.TotalSeconds;
-            var total = this.ticketPercentage.Floor();
+            this.ticketPercentage += genRate * passed.TotalSeconds;
+            var total = (BigInteger) this.ticketPercentage;
             if (total > 0) {
                 GameImpl.Instance.Tickets += total;
-                this.ticketPercentage -= total;
+                this.ticketPercentage -= (double) total;
             }
 
             // animation stuff
@@ -55,12 +55,12 @@ namespace TouchyTickets.Attractions {
             batch.Draw(tex, position + center * scale, Color.White * alpha, 0, center, drawScale, SpriteEffects.None, 0);
         }
 
-        public float GetGenerationRate(ParkMap map, Point position) {
+        public double GetGenerationRate(ParkMap map, Point position) {
             var genRate = this.Type.GetGenerationRate();
 
             // apply attraction modifiers
             foreach (var modifier in this.Modifiers)
-                genRate *= (float) Math.Pow(modifier.Modifier.Multiplier, modifier.Amount);
+                genRate *= Math.Pow(modifier.Modifier.Multiplier, modifier.Amount);
 
             // apply star upgrades
             if (Upgrade.FerrisWheelModifier.IsActive() && this.GetSurrounding(map, position, FerrisWheel).Any())
@@ -91,9 +91,9 @@ namespace TouchyTickets.Attractions {
             return this.Modifiers.Where(m => modifier == null || m.Modifier == modifier).Sum(m => m.Amount);
         }
 
-        public long GetModifierPrice(AttractionModifier modifier) {
+        public BigInteger GetModifierPrice(AttractionModifier modifier) {
             var amount = this.GetModifierAmount(modifier);
-            return (long) Math.Ceiling(modifier.InitialPrice * Math.Pow(1 + 0.4F, amount));
+            return (BigInteger) Math.Ceiling(modifier.InitialPrice * Math.Pow(1 + 0.4F, amount));
         }
 
         public void Wobble() {
diff --git a/TouchyTickets/Attractions/AttractionType.cs b/TouchyTickets/Attractions/AttractionType.cs
index 043e140..93971da 100644
--- a/TouchyTickets/Attractions/AttractionType.cs
+++ b/TouchyTickets/Attractions/AttractionType.cs
@@ -48,7 +48,7 @@ namespace TouchyTickets.Attractions {
             return new Attraction(this);
         }
 
-        public float GetGenerationRate() {
+        public double GetGenerationRate() {
             var genRate = this.generationPerSecond;
 
             if (this.Flags.HasFlag(FastCars) && Upgrade.RollerCoasterModifier.IsActive())
diff --git a/TouchyTickets/ParkMap.cs b/TouchyTickets/ParkMap.cs
index 9fd3964..2ed488e 100644
--- a/TouchyTickets/ParkMap.cs
+++ b/TouchyTickets/ParkMap.cs
@@ -26,7 +26,7 @@ namespace TouchyTickets {
         private readonly Dictionary<Point, int> fencePositions = new Dictionary<Point, int>();
         private readonly Attraction[,] attractionGrid;
 
-        public float TicketsPerSecond { get; private set; }
+        public double TicketsPerSecond { get; private set; }
         public Attraction PlacingAttraction;
         public AttractionModifier PlacingModifier;
         public Point PlacingPosition;
@@ -68,7 +68,7 @@ namespace TouchyTickets {
         }
 
         public void Update(GameTime time, TimeSpan passed) {
-            var tickets = 0F;
+            var tickets = 0D;
             foreach (var (pos, attraction) in this.attractions) {
                 var genPerSecond = attraction.Update(time, passed, this, pos);
                 tickets += genPerSecond;
diff --git a/TouchyTickets/Ui.cs b/TouchyTickets/Ui.cs
index 2ebd5ea..6b20d14 100644
--- a/TouchyTickets/Ui.cs
+++ b/TouchyTickets/Ui.cs
@@ -146,7 +146,7 @@ namespace TouchyTickets {
                 IsHidden = true
             };
             foreach (var attraction in AttractionType.Attractions) {
-                long price = 0;
+                BigInteger price = 0;
                 var attractionAmount = 0;
                 var button = buyUi.AddChild(new Button(Anchor.AutoLeft, new Vector2(1, 40)) {
                     ChildPadding = new Vector2(4),
@@ -168,7 +168,7 @@ namespace TouchyTickets {
                             ActionSound = new SoundEffectInfo(Assets.PlaceSound),
                             OnPressed = e2 => {
                                 GameImpl.Instance.Tickets -= price;
-                                GameImpl.Instance.Platform.AddResourceEvent(true, "Tickets", price, "Attraction", attraction.Key);
+                                GameImpl.Instance.Platform.AddResourceEvent(true, "Tickets", (long) price, "Attraction", attraction.Key);
 
                                 map.Place(map.PlacingPosition, map.PlacingAttraction);
                                 map.PlacingAttraction.Wobble();
@@ -185,7 +185,7 @@ namespace TouchyTickets {
                         // only update the price when the area updates, since it won't change while we're in the buy ui
                         attractionAmount = GameImpl.Instance.Map.GetAttractionAmount(attraction.Value);
                         // yay compound interest
-                        price = (long) Math.Ceiling(attraction.Value.InitialPrice * Math.Pow(1 + 0.1F, attractionAmount));
+                        price = (BigInteger) Math.Ceiling(attraction.Value.InitialPrice * Math.Pow(1 + 0.1F, attractionAmount));
                     }
                 });
                 var image = button.AddChild(new Image(Anchor.CenterLeft, new Vector2(0.2F, 40), Assets.AttractionTexture[attraction.Value.TextureRegion]) {
@@ -249,7 +249,7 @@ namespace TouchyTickets {
                                     if (GameImpl.Instance.Tickets < price)
                                         break;
                                     GameImpl.Instance.Tickets -= price;
-                                    GameImpl.Instance.Platform.AddResourceEvent(true, "Tickets", price, "Modifier", modifier.Name);
+                                    GameImpl.Instance.Platform.AddResourceEvent(true, "Tickets", (long)price, "Modifier", modifier.Name);
                                     attraction.ApplyModifier(map.PlacingModifier);
                                 }
                                 attraction.Wobble();
@@ -264,7 +264,7 @@ namespace TouchyTickets {
                             }
                         });
                         addButton.Text.GetTextCallback = p => {
-                            var price = map.PlacingModifier.InitialPrice;
+                            BigInteger price = map.PlacingModifier.InitialPrice;
                             if (map.SelectedPosition != null) {
                                 var attraction = map.GetAttractionAt(map.SelectedPosition.Value);
                                 if (attraction != null && map.PlacingModifier.IsAffected(attraction))